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. Ms. Li
| Address: | 99, Pen Chou Rd. |
|---|---|
Chang Yi Bolt Co., Ltd. was established in 1988 and specialized in the production of drywall screw, chipboard screw, twin thread wood screw, hex lag bolt (coach screw), self-tapping screw, hex washer head machine screw, concrete screw, and electronic screw. Quality enhances and continuous research are our pursuing goal. We achieved the ISO 9002 certification, therefore this assure that we are reliable for customer. We can provide the customer with swift, stable and dependable product information. [Click for detail]