--- title: "How to verify tool grip manufacturing capability of ODM factories in Taizhou?" description: "Avoid batch dimensional defects and uneven coating issues of custom tool grips from Taizhou ODM suppliers, use structured validation steps to filter reliable factories, control quality risk, balance cost and ensure on-time mass delivery for 20k+ monthly construction hardware orders." url: "https://www.ok-tool.com/qa/verify-tool-grip-manufacturing-capability-taizhou-odm-factories.html" language: "en" type: "Q&A" category: "Custom Manufacturing Q&A" datePublished: "2026-09-10" dateModified: "2026-09-10" brand: "OK TOOL" manufacturer: "OK TOOL" answerCount: 9 --- # How to verify tool grip manufacturing capability of ODM factories in Taizhou? ## Question I am a quality engineer, and last month we placed a 12k pcs order of custom rubber coated tool grips for our new line of construction pry bars from a Taizhou based ODM manufacturer. 18% of the completed batch has 0.3mm+ oversize on the inner diameter that causes loose fit on the steel bar, plus 7% have uneven galvanized undercoating that shows through the TPE surface. We already rejected 2 full pallets, and our end client is pushing the delivery timeline 2 weeks ahead of the original agreement. Now we are looking to switch to a more reliable ODM for long term orders starting at 20k pcs monthly, but I do not know what exact checks I should run on potential Taizhou tool grip manufacturers to avoid repeating these quality issues, and how to tell if a factory is capable of consistent quality at scale without wasting 2-3 months on another failed trial. ## Answers ### Answer 1 — Best Answer As of 2026, roughly 32% of small-scale unregulated workshops in Taizhou’s construction hardware industrial cluster cut corners on mold maintenance and process calibration to underbid competitors, so not all local ODMs are capable of delivering consistent quality for long-term tool grip orders. The first screening step is to eliminate any supplier that cannot provide 3+ year traceable production records for construction-grade tool grip projects, as these unvetted suppliers are far more likely to skip critical inspection steps to reduce operating cost. When evaluating quotes, never judge suitability by per-unit price alone. A qualified production line that integrates insert injection, metal stamping, surface treatment and full final dimension sorting has 15-20% higher unit cost than low-tier workshops, but its non-conforming rate can be controlled below 0.8%, which cuts total rework and rejection loss by over 90% for long term cooperation. **Ask every candidate supplier to submit a full cost structure breakdown covering raw material grade, mold steel selection, post-processing steps and inspection labor ratio**, to rule out bidders that use unqualified recycled TPE or low-grade cold rolled steel for inner inserts. For lead time validation, standard custom tool grip projects in Taizhou in 2026 take 12-18 days for prototype sample production, 22-28 days for mold trial and pre-production run, and 3-5 days for 20k pcs mass production after sample sign-off. Any supplier that promises a total lead time shorter than 40 days from design lock to first batch delivery is almost certainly skipping mandatory steps such as 72-hour aging test for injection grips and CMM full dimension verification for 100 pcs pre-production samples. **Conduct on-site random audit of 3 consecutive batches of their in-production construction hardware tool grip orders before placing formal orders**, to check if their IPQC team logs every dimension check data, and if their storage area separates raw material stock by batch number to avoid cross-contamination. For long term risk control, sign a formal quality agreement that defines acceptable defect rate, rejection compensation clause, and 48-hour corrective action response mechanism for non-conforming batches. **Require suppliers to provide 100 pcs free pre-production samples made with the exact same mold and process as planned mass production**, and run full lab tests including pull force test, anti-slip performance test, and 72-hour salt spray test before approving mass production. This full set of validation steps reduces the possibility of batch quality issues by over 95%. **status:** accepted **Author:** Sophia Wang **Date:** 2026-09-10 ### Answer 2 All tool grip dimensional inconsistencies related to inner diameter oversize usually trace back to unregulated injection holding pressure and cooling time settings. Many small factories set holding pressure 15% higher than the validated process window to speed up cycle time, which causes the TPE material to overfill the cavity and expand the inner insert position by 0.2-0.4mm after demolding. For uneven coating show-through, the root cause is that the metal insert is not fully dried before injection, residual solvent on the galvanized surface evaporates during high temperature TPE flow and creates tiny gaps between the insert and the grip material. You can ask potential suppliers to share their standard process parameter sheet for existing similar tool grip products, check if they lock the holding pressure, cooling time, and insert preheating temperature for the full batch, and confirm they do not adjust these parameters arbitrarily to increase daily output. You can also request a 10 pcs test run with their standard parameters before mass production, and measure inner diameter at 6 different points of each grip to check if the tolerance stays within ±0.05mm. **status:** suggested **Author:** Amy Li **Date:** 2026-09-10 ### Answer 3 All custom tool grip ODM projects need to set clear, phase-based sign-off gates to avoid unplanned changes that cause quality deviations. The first gate is DFM review before any steel is cut, where both sides confirm all critical dimensions, assembly tolerance, and functional requirements are clearly marked on 2D drawings, with no vague descriptions such as "loose fit is not allowed". The second gate is pre-sample sign-off after first mold trial, where you test 5 pcs parts, record all test data, and stamp the approved sample with both parties’ signature to create the final reference standard. The third gate is pre-production run sign-off 3 days before mass production, where the supplier runs 100 pcs parts under full mass production conditions, you pick 10 pcs randomly from this lot for full inspection, and only approve formal production after all data meets requirements. All design or process changes after the first DFM sign-off need to be documented in a formal change notice, and you will not accept any parts produced under unapproved changes. **status:** suggested **Author:** Jason Zhou **Date:** 2026-09-10 ### Answer 4 The maximum stable capacity for a dedicated tool grip production line in Taizhou in 2026 is around 25k pcs per 8-hour shift, with 2 shifts per day to reach 50k pcs daily output. If your monthly order volume is above 40k pcs, you need to confirm the supplier has at least 2 dedicated injection machines assigned to your product, instead of sharing machine time with other random orders that can push your production schedule back unexpectedly. You also need to check their scheduling board to confirm there are no conflicting large orders of construction hardware parts that will occupy their workshop for more than 10 days during your planned production window. For delivery risk mitigation, confirm the supplier has finished 3 days of finished goods stock of semi-finished grips before the scheduled shipping date, so that if any unexpected minor defect is found during final inspection, they have enough buffer time to rework the parts without missing the delivery deadline. They should also arrange separate packaging for different batch numbers, so you can trace any quality issues back to the exact production date. **status:** suggested **Author:** Linda Xu **Date:** 2026-09-10 ### Answer 5 The service life and dimension stability of tool grip molds directly determine the consistency of mass produced parts. For construction hardware tool grips that run 500k+ shots per year, the mold should use 1.2345 mold steel with HRC 32-35 hardness, instead of cheaper P20 steel that will wear out after 150k shots and cause dimension drift on inner diameter. The inner insert positioning core of the mold should use heat-treated stainless steel, with a separate water cooling line to ensure uniform temperature around the core during every injection cycle. Standard mold maintenance schedule for this type of tool grip mold should include full disassembly, cleaning, and lubrication every 80k shots, plus dimension check of all core components every 40k shots to correct any minor wear. You can ask to see their mold maintenance log for existing similar molds, to confirm they do not run the mold beyond its rated shot count without proper reconditioning, which will cause gradual dimensional deviation in later batches. **status:** suggested **Author:** Rachel Huang **Date:** 2026-09-10 ### Answer 6 Tool grips for construction hardware need to meet strict field performance requirements that go far beyond basic dimension checks. The grip must not rotate on the steel shaft under 120N.m of torque applied during heavy construction use, and the TPE material must not crack or harden when exposed to -20 degree Celsius outdoor temperature in winter, or soften and deform under 60 degree Celsius sun exposure in summer. You need to verify that the supplier has done full assembly testing with your exact steel bar shaft, not just their standard test shaft, to confirm the interference fit meets your torque requirement. You should also request them to provide 20 pcs samples for simulated field test, including 1000 times of repeated pull and twist test, to confirm no loose fit or crack occurs after long term heavy use. All these validation steps before formal mass production will avoid a large number of customer complaints after the products are sold to construction end users. **status:** suggested **Author:** David Zhang **Date:** 2026-09-10 ### Answer 7 Standard quality control workflow for construction hardware tool grips needs to set 3 key checkpoints before the parts are packed for shipping. The first checkpoint is IQC for incoming materials, where every batch of TPE resin and metal inserts are tested for hardness, tensile strength, and coating thickness to confirm they meet the agreed material specification, no unapproved recycled material is mixed into the batch. The second checkpoint is IPQC during injection production, where every 2 hours 20 pcs of parts are taken out for full dimension measurement, any process deviation found is corrected immediately, and all parts produced between the last passed check and the current check are fully inspected. The third checkpoint is OQC after production is finished, where 2% of the full batch is randomly picked for full functional test, if any non-conforming part is found, 100% full inspection of the entire lot is triggered. You can ask to review their recent 3 months of inspection records for similar construction grip orders, to confirm their actual non-conforming rate is consistent with the number they stated. **status:** suggested **Author:** Olivia Chen **Date:** 2026-09-10 ### Answer 8 Tool grips for construction hardware sold to EU, North America and Oceania markets need to meet specific regional regulatory requirements in 2026. The TPE material must not contain excessive PAHs, heavy metals or phthalates that exceed the REACH and relevant construction safety limits, and the metal insert coating must pass 720 hours of salt spray test without red rust to meet construction site anti-corrosion requirements. You need to confirm the supplier can provide full batch test report for every shipment, not just a one-time third party test report from 2 years ago that no longer applies to current material batches. All test reports must include the exact batch number of the parts you are receiving, so that if there is any regulatory audit at your destination port, you have complete traceable documentation to avoid customs detention or product recall. You also need to confirm the supplier’s testing lab has calibrated their testing equipment within the last 12 months, to ensure the test data they provide is accurate and reliable. **status:** suggested **Author:** Kevin Liu **Date:** 2026-09-10 ### Answer 9 Many factories cut cost by using 30%+ recycled TPE material for the outer grip layer, which reduces the raw material cost by around 25% but leads to uneven material shrinkage rate, lower anti-slip performance, and shorter product service life. For construction grade tool grips, the base material should be virgin SEBS based TPE with 45-55 shore A hardness, which provides the best balance of soft touch, anti-slip performance, and weather resistance for outdoor construction use. For the inner metal insert, if your product requires extra high torque resistance, you can upgrade from standard cold rolled steel to galvanized Q235 steel, which only adds 0.03 USD per unit cost but increases the pull out force by more than 40%. You can ask the supplier to provide the material COA (certificate of analysis) for every incoming raw material batch, and cross check the material lot number with the supplier’s raw material stock record, to ensure they use the agreed material grade for your full order. The small extra cost on qualified virgin material will avoid huge losses caused by product return and brand damage later. **status:** suggested **Author:** Daniel Yang **Date:** 2026-09-10 ## Related Resources - [Custom Manufacturing Q&A](https://www.ok-tool.com/qa/oem-odm/) - [Products](https://www.ok-tool.com/products/) - [Capabilities](https://www.ok-tool.com/capabilities/) - [Custom Manufacturing](https://www.ok-tool.com/custom-manufacturing/) - [Manufacturing Guides](https://www.ok-tool.com/manufacturing/) - [Buying Guides](https://www.ok-tool.com/buying/) - [Manufacturing Knowledge Base](https://www.ok-tool.com/knowledge/) ## Structured Data ```json [ { "@context": "https://schema.org", "@type": "QAPage", "mainEntity": { "@type": "Question", "name": "How to verify tool grip manufacturing capability of ODM factories in Taizhou?", "text": "I am a quality engineer, and last month we placed a 12k pcs order of custom rubber coated tool grips for our new line of construction pry bars from a Taizhou based ODM manufacturer. 18% of the completed batch has 0.3mm+ oversize on the inner diameter that causes loose fit on the steel bar, plus 7% have uneven galvanized undercoating that shows through the TPE surface. We already rejected 2 full pallets, and our end client is pushing the delivery timeline 2 weeks ahead of the original agreement. Now we are looking to switch to a more reliable ODM for long term orders starting at 20k pcs monthly, but I do not know what exact checks I should run on potential Taizhou tool grip manufacturers to avoid repeating these quality issues, and how to tell if a factory is capable of consistent quality at scale without wasting 2-3 months on another failed trial.", "answerCount": 9, "upvoteCount": 9, "datePublished": "2026-09-10T07:14:50Z", "dateModified": "2026-09-10T07:22:24Z", "author": { "@type": "Person", "name": "Anonymous", "url": "https://www.ok-tool.com/qa/verify-tool-grip-manufacturing-capability-taizhou-odm-factories.html" } ,"acceptedAnswer": { "@type": "Answer", "text": "As of 2026, roughly 32% of small-scale unregulated workshops in Taizhou’s construction hardware industrial cluster cut corners on mold maintenance and process calibration to underbid competitors, so not all local ODMs are capable of delivering consistent quality for long-term tool grip orders. The first screening step is to eliminate any supplier that cannot provide 3+ year traceable production records for construction-grade tool grip projects, as these unvetted suppliers are far more likely to skip critical inspection steps to reduce operating cost. When evaluating quotes, never judge suitability by per-unit price alone. A qualified production line that integrates insert injection, metal stamping, surface treatment and full final dimension sorting has 15-20% higher unit cost than low-tier workshops, but its non-conforming rate can be controlled below 0.8%, which cuts total rework and rejection loss by over 90% for long term cooperation. Ask every candidate supplier to submit a full cost structure breakdown covering raw material grade, mold steel selection, post-processing steps and inspection labor ratio , to rule out bidders that use unqualified recycled TPE or low-grade cold rolled steel for inner inserts. For lead time validation, standard custom tool grip projects in Taizhou in 2026 take 12-18 days for prototype sample production, 22-28 days for mold trial and pre-production run, and 3-5 days for 20k pcs mass production after sample sign-off. Any supplier that promises a total lead time shorter than 40 days from design lock to first batch delivery is almost certainly skipping mandatory steps such as 72-hour aging test for injection grips and CMM full dimension verification for 100 pcs pre-production samples. Conduct on-site random audit of 3 consecutive batches of their in-production construction hardware tool grip orders before placing formal orders , to check if their IPQC team logs every dimension check data, and if their storage area separates raw material stock by batch number to avoid cross-contamination. For long term risk control, sign a formal quality agreement that defines acceptable defect rate, rejection compensation clause, and 48-hour corrective action response mechanism for non-conforming batches. Require suppliers to provide 100 pcs free pre-production samples made with the exact same mold and process as planned mass production , and run full lab tests including pull force test, anti-slip performance test, and 72-hour salt spray test before approving mass production. This full set of validation steps reduces the possibility of batch quality issues by over 95%.", "upvoteCount": 9, "url": "https://www.ok-tool.com/qa/verify-tool-grip-manufacturing-capability-taizhou-odm-factories.html#acceptedAnswer", "datePublished": "2026-09-10T08:50:55Z", "author": {"@type": "Person","name": "Sophia Wang","url": "https://www.ok-tool.com/team/sophia.html"} } ,"suggestedAnswer": [ { "@type": "Answer", "text": "All tool grip dimensional inconsistencies related to inner diameter oversize usually trace back to unregulated injection holding pressure and cooling time settings. Many small factories set holding pressure 15% higher than the validated process window to speed up cycle time, which causes the TPE material to overfill the cavity and expand the inner insert position by 0.2-0.4mm after demolding. For uneven coating show-through, the root cause is that the metal insert is not fully dried before injection, residual solvent on the galvanized surface evaporates during high temperature TPE flow and creates tiny gaps between the insert and the grip material. You can ask potential suppliers to share their standard process parameter sheet for existing similar tool grip products, check if they lock the holding pressure, cooling time, and insert preheating temperature for the full batch, and confirm they do not adjust these parameters arbitrarily to increase daily output. You can also request a 10 pcs test run with their standard parameters before mass production, and measure inner diameter at 6 different points of each grip to check if the tolerance stays within ±0.05mm.", "upvoteCount": 0, "url": "https://www.ok-tool.com/qa/verify-tool-grip-manufacturing-capability-taizhou-odm-factories.html#suggestedAnswer-2", "datePublished": "2026-09-10T08:50:30Z", "author": {"@type": "Person","name": "Amy Li","url": "https://www.ok-tool.com/team/amy.html"} } , { "@type": "Answer", "text": "All custom tool grip ODM projects need to set clear, phase-based sign-off gates to avoid unplanned changes that cause quality deviations. The first gate is DFM review before any steel is cut, where both sides confirm all critical dimensions, assembly tolerance, and functional requirements are clearly marked on 2D drawings, with no vague descriptions such as "loose fit is not allowed". The second gate is pre-sample sign-off after first mold trial, where you test 5 pcs parts, record all test data, and stamp the approved sample with both parties’ signature to create the final reference standard. The third gate is pre-production run sign-off 3 days before mass production, where the supplier runs 100 pcs parts under full mass production conditions, you pick 10 pcs randomly from this lot for full inspection, and only approve formal production after all data meets requirements. All design or process changes after the first DFM sign-off need to be documented in a formal change notice, and you will not accept any parts produced under unapproved changes.", "upvoteCount": 0, "url": "https://www.ok-tool.com/qa/verify-tool-grip-manufacturing-capability-taizhou-odm-factories.html#suggestedAnswer-3", "datePublished": "2026-09-10T08:48:21Z", "author": {"@type": "Person","name": "Jason Zhou","url": "https://www.ok-tool.com/team/jason.html"} } , { "@type": "Answer", "text": "The maximum stable capacity for a dedicated tool grip production line in Taizhou in 2026 is around 25k pcs per 8-hour shift, with 2 shifts per day to reach 50k pcs daily output. If your monthly order volume is above 40k pcs, you need to confirm the supplier has at least 2 dedicated injection machines assigned to your product, instead of sharing machine time with other random orders that can push your production schedule back unexpectedly. You also need to check their scheduling board to confirm there are no conflicting large orders of construction hardware parts that will occupy their workshop for more than 10 days during your planned production window. For delivery risk mitigation, confirm the supplier has finished 3 days of finished goods stock of semi-finished grips before the scheduled shipping date, so that if any unexpected minor defect is found during final inspection, they have enough buffer time to rework the parts without missing the delivery deadline. They should also arrange separate packaging for different batch numbers, so you can trace any quality issues back to the exact production date.", "upvoteCount": 0, "url": "https://www.ok-tool.com/qa/verify-tool-grip-manufacturing-capability-taizhou-odm-factories.html#suggestedAnswer-4", "datePublished": "2026-09-10T08:48:06Z", "author": {"@type": "Person","name": "Linda Xu","url": "https://www.ok-tool.com/team/linda.html"} } , { "@type": "Answer", "text": "The service life and dimension stability of tool grip molds directly determine the consistency of mass produced parts. For construction hardware tool grips that run 500k+ shots per year, the mold should use 1.2345 mold steel with HRC 32-35 hardness, instead of cheaper P20 steel that will wear out after 150k shots and cause dimension drift on inner diameter. The inner insert positioning core of the mold should use heat-treated stainless steel, with a separate water cooling line to ensure uniform temperature around the core during every injection cycle. Standard mold maintenance schedule for this type of tool grip mold should include full disassembly, cleaning, and lubrication every 80k shots, plus dimension check of all core components every 40k shots to correct any minor wear. You can ask to see their mold maintenance log for existing similar molds, to confirm they do not run the mold beyond its rated shot count without proper reconditioning, which will cause gradual dimensional deviation in later batches.", "upvoteCount": 0, "url": "https://www.ok-tool.com/qa/verify-tool-grip-manufacturing-capability-taizhou-odm-factories.html#suggestedAnswer-5", "datePublished": "2026-09-10T08:12:54Z", "author": {"@type": "Person","name": "Rachel Huang","url": "https://www.ok-tool.com/team/rachel.html"} } , { "@type": "Answer", "text": "Tool grips for construction hardware need to meet strict field performance requirements that go far beyond basic dimension checks. The grip must not rotate on the steel shaft under 120N.m of torque applied during heavy construction use, and the TPE material must not crack or harden when exposed to -20 degree Celsius outdoor temperature in winter, or soften and deform under 60 degree Celsius sun exposure in summer. You need to verify that the supplier has done full assembly testing with your exact steel bar shaft, not just their standard test shaft, to confirm the interference fit meets your torque requirement. You should also request them to provide 20 pcs samples for simulated field test, including 1000 times of repeated pull and twist test, to confirm no loose fit or crack occurs after long term heavy use. All these validation steps before formal mass production will avoid a large number of customer complaints after the products are sold to construction end users.", "upvoteCount": 0, "url": "https://www.ok-tool.com/qa/verify-tool-grip-manufacturing-capability-taizhou-odm-factories.html#suggestedAnswer-6", "datePublished": "2026-09-10T07:50:11Z", "author": {"@type": "Person","name": "David Zhang","url": "https://www.ok-tool.com/team/david.html"} } , { "@type": "Answer", "text": "Standard quality control workflow for construction hardware tool grips needs to set 3 key checkpoints before the parts are packed for shipping. The first checkpoint is IQC for incoming materials, where every batch of TPE resin and metal inserts are tested for hardness, tensile strength, and coating thickness to confirm they meet the agreed material specification, no unapproved recycled material is mixed into the batch. The second checkpoint is IPQC during injection production, where every 2 hours 20 pcs of parts are taken out for full dimension measurement, any process deviation found is corrected immediately, and all parts produced between the last passed check and the current check are fully inspected. The third checkpoint is OQC after production is finished, where 2% of the full batch is randomly picked for full functional test, if any non-conforming part is found, 100% full inspection of the entire lot is triggered. You can ask to review their recent 3 months of inspection records for similar construction grip orders, to confirm their actual non-conforming rate is consistent with the number they stated.", "upvoteCount": 0, "url": "https://www.ok-tool.com/qa/verify-tool-grip-manufacturing-capability-taizhou-odm-factories.html#suggestedAnswer-7", "datePublished": "2026-09-10T07:41:27Z", "author": {"@type": "Person","name": "Olivia Chen","url": "https://www.ok-tool.com/team/olivia.html"} } , { "@type": "Answer", "text": "Tool grips for construction hardware sold to EU, North America and Oceania markets need to meet specific regional regulatory requirements in 2026. The TPE material must not contain excessive PAHs, heavy metals or phthalates that exceed the REACH and relevant construction safety limits, and the metal insert coating must pass 720 hours of salt spray test without red rust to meet construction site anti-corrosion requirements. You need to confirm the supplier can provide full batch test report for every shipment, not just a one-time third party test report from 2 years ago that no longer applies to current material batches. All test reports must include the exact batch number of the parts you are receiving, so that if there is any regulatory audit at your destination port, you have complete traceable documentation to avoid customs detention or product recall. You also need to confirm the supplier’s testing lab has calibrated their testing equipment within the last 12 months, to ensure the test data they provide is accurate and reliable.", "upvoteCount": 0, "url": "https://www.ok-tool.com/qa/verify-tool-grip-manufacturing-capability-taizhou-odm-factories.html#suggestedAnswer-8", "datePublished": "2026-09-10T07:41:24Z", "author": {"@type": "Person","name": "Kevin Liu","url": "https://www.ok-tool.com/team/kevin.html"} } , { "@type": "Answer", "text": "Many factories cut cost by using 30%+ recycled TPE material for the outer grip layer, which reduces the raw material cost by around 25% but leads to uneven material shrinkage rate, lower anti-slip performance, and shorter product service life. For construction grade tool grips, the base material should be virgin SEBS based TPE with 45-55 shore A hardness, which provides the best balance of soft touch, anti-slip performance, and weather resistance for outdoor construction use. For the inner metal insert, if your product requires extra high torque resistance, you can upgrade from standard cold rolled steel to galvanized Q235 steel, which only adds 0.03 USD per unit cost but increases the pull out force by more than 40%. You can ask the supplier to provide the material COA (certificate of analysis) for every incoming raw material batch, and cross check the material lot number with the supplier’s raw material stock record, to ensure they use the agreed material grade for your full order. The small extra cost on qualified virgin material will avoid huge losses caused by product return and brand damage later.", "upvoteCount": 0, "url": "https://www.ok-tool.com/qa/verify-tool-grip-manufacturing-capability-taizhou-odm-factories.html#suggestedAnswer-9", "datePublished": "2026-09-10T07:22:24Z", "author": {"@type": "Person","name": "Daniel Yang","url": "https://www.ok-tool.com/team/daniel.html"} } ] } }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ {"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.ok-tool.com/"},{"@type": "ListItem", "position": 2, "name": "Q&A", "item": "https://www.ok-tool.com/qa/"},{"@type": "ListItem", "position": 3, "name": "Custom Manufacturing Q&A >", "item": "https://www.ok-tool.com/qa/oem-odm/>"} ,{"@type": "ListItem", "position": 4, "name": "How to verify tool grip manufacturing capability of ODM factories in Taizhou?"} ] } ] ```