Active Member
6 Years
wenzhoushi chengyu steel co.,ltd
High-quality service, high-tech innovation, high-speed development.
Manufacturer from China
wenzhoushi chengyu steel co.,ltd
High-quality service, high-tech innovation, high-speed development.
Quality is life. All material will be inspected during production,all finished products have been checked before leaving the factory.
1.Out diameter and Thickness TolerenceTest
2.Water Pressure Test
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3.Eddy Current Test
4.Chemical Composition Test