1. There are many important considerations in the design of ChangZeng . They are the type of load and stresses caused by the load, motion of parts, form and size of the parts, etc. It has served more than 600 foreign customers
2. The product has high economic value. It can be turned into higher value goods from mineral materials improvement and manufacturing. Its heat treatment includes annealed, quenched, tempered, etc
3. The product produces no side effects. It is clinically tested to be free from any harmful substances that would probably pose potential risks to people. It is highly resistant to mechanical and chemical degradation
1. Shanghai ChangZeng Metal Co., Ltd. is proud of its exceptional record of producing a series of 2 sch 40 steel pipe in such an efficient way. Our factory operates from a state-of-the-art production facility designed and constructed specifically for the high volume manufacture of our diverse range of products.
2. Shanghai ChangZeng Metal Co., Ltd. has a professional level and mature technology to participate in the production of high quality products.
3. Our factory uniquely owns a wide variety of state-of-the-art production facilities, which provides us with full control of the quality of our products throughout the entire process. The ChangZeng brand adheres to the principle of the leading enterprise of the '核心关键词' industry. Please contact us!