Dongguan Circle Four Metal Materials Co., Ltd,
QUALITY CONTROL
QUALITY ASSURANCE
 
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QUALITY ASSURANCE
We start the quality control at the very beginning of the production planning. We have independent QC department generally carry out three procedures of quality control:
 
Pre-production – check the production schedule and study the technique data to ensure that every procedure will lead to the proper quality
 
In-production – follow up the production and carry out quality tests during the production
 
After-production – Test and check the products. Make sure that all materials are in accordance with the requirements.
 
UT Test:
We carry our UT test on every product before delivery. All the materials exported must pass the test.

 
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