Professional Production Process Compliance with the ISO suggested standard over 20 years, we strictly make check on each process like raw material selection, heading, thread rolling, and coating to offer premium quality product to our customer.
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Auto Selecting Machines Automatic selection machines for screw pitch, head and length size of high precision checking and pick up unqualified screws.
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Quality Control System A complete QC system is an essential ability to be a responsible and reliable brand. Optical selecting: Automatically select the unqualified screws. Torque Test: Make sure the screw reach standard torsional strength. Salt Spray Test: Corrosion resistance ability check.
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External Plating Treatment The use of tan metal makes the color of out deck screws closer to the wood. On top of having excellent performance, it makes the whole look better after installation.
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