Has steel pipes passed the QC test?
2020-09-30
Before conducting the shipment, Shanghai ChangZeng Metal Co., Ltd. will carry out a complete process to check steel pipes . During each procedure, we'll strictly guarantee the quality of the goods from raw materials selection to your completed product. Each item generated by us has passed rigorous QC test.
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ChangZenghas successfully established its own reputation in steel beam sales. ChangZeng's steel beam series include multiple types. The new type of steel sheet designed by our engineers is very ingenious and practical. It excels in achieving the shape set by the mold. Shanghai ChangZeng Co., Ltd.'s advantages are well known by our customers. Its heat treatment includes annealed, quenched, tempered, etc.
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We are committed to being an ethical and sustainable business. We have raised awareness of sustainability and are working to support, develop and build the industries we serve by focusing on the long term impacts we have on customers, markets, and the environment.

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