Has steel plate passed the QC test?

Along with our internal QC testing, Shanghai ChangZeng Metal Co., Ltd. also jobs to get a third party certification to confirm that the superior quality and performance of our goods. Our quality control applications are detailed, from the selection of materials to delivery of the final product. Our steel plate is extensively examined to ensure that it meets the highest standards for reliability and performance.

ChangZeng ​​is the best-selling domestic steel products brand. ChangZeng's main products include steel tubing series. This product has a high yield. Once the design basic parameters and standard specifications are entered into the product, it can perform high-volume daily tasks from start to finish and provide flexible scalability. It is used in transportation, construction, machinery, shipbuilding, and other fields. ChangZenghas grown a stronger global network. It is easy to process and economical.

Our company will stick to the high standards of professional conduct, and to ethical and fair business dealings with our customers to achieve long-term success.