Shanghai ChangZeng Metal Co., Ltd. has a complete quality management system for producing steel angle . The well well-versed and trained quality control personnel control the raw materials and finished products. And we have a quality control laboratory which systematically carries out the main tasks indicated below: Each test and analysis performed is recorded in detail. Develop a report for each product that is accepted or rejected. Samples of each batch of raw materials and finished products are retained for further reward assessment and control. Assess the stability of raw materials and products. After making the necessary controls and reporting the reasons for the return, the recovered product is recycled and reused.
As a well-known company on the market, ChangZengis now a leader in the steel beam industry. ChangZeng's steel coil series include multiple types. The improved stainless steel pipe is light in weight and therefore easy to handle. The minimum order quantity for this product is 5 tons. ChangZenghas grown considerably since its foundation. It is chosen for its higher resistance to corrosion.
We insist on integrity. That is, to comply with ethical standards in our business activities, to demonstrate respect for our customers and employees, and to promote responsible environmental policies.
