Quality Control
Our company has strict quality control system for products:
1. The quality inspection of raw materials includes indicators such as steel plate hardness;
2. Regular data detection of products, such as length, width, height and weight;
3. Product bearing capacity test;
4. Salt spray test to test the corrosion resistance of products.
Certifications
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Certifications
Laizhou Huiding Hardware Co., Ltd
Tel:86--13210837952
Fax:86
Contact Person: Mrs.Cindy
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