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QC Profile&Quality Control

1. We have been strictly controlled the quality of our raw materials, and all of our steel metals are from famous steel mills (factories). And physical metallographic analysis and chemical composition test are also used to ensure the quality of raw materials.

2. Immediate inspection will be done for each production procedure, and full examination will be implemented for threaded products.

3. Our outsourcing products will also be strictly examined before utilization.

4. Our sampling rate for final products is higher than 30%


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