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Raw material inspection

QingNing company is very strict in purchasing raw materials, our materials are all bought from the large steel company in china or foreign steel company, the standards are all according to the American standards(AISI). Together with the materials we will got one test certifications from the steel company and we will test the materials chemical component,wire diameter, quantity etc. after we got the materials. Then our worker will classify and keep them into our warehouse. QingNing company trust “High quality raw materials are the foundation of high quality products”. It can bring long term business for us.
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