1. ChangZeng steel square pipe uses high-quality raw materials and adopts advanced production technology. It can be cold rolled to be smoother and have more precise dimensions
2. The product, with so many good characteristics, is adaptable to various applications. Its heat treatment includes annealed, quenched, tempered, etc
3. This product has good performance and is durable. It is tested by third parties such as SGS and BV
1. Shanghai ChangZeng Metal Co., Ltd. is one of the leading companies which manufacture steel pipes. We have been serving the industry for a long time. Shanghai ChangZeng Metal Co., Ltd. is strong in the scientific research and technological strength.
2. Doing the utmost to improve the quality of steel tubing is the aim of each ChangZeng staff.
3. Shanghai ChangZeng Metal Co., Ltd. has the excellent equipment with the strong technique power. In order to reduce the overall environmental impact of our products and activities, we have made many efforts. We have made progress in low energy usage and resource conservation.