1. ChangZeng goes through a series of sophisticated workmanship. The comminution and concentration of raw materials are carried out to provide a more concentrated material for the procedures of extractive metallurgy. It is tested by third parties such as SGS and BV
2. It will allow the wearer's feet to breath, thus reducing the proliferation of bacteria and fungi and eliminate foot odor. It is highly resistant to corrosion and oxidation
3. The product has stable physical properties in the specific conditions of temperature and pressure. Its physical properties are decided by its crystal structure. Its heat treatment includes annealed, quenched, tempered, etc
4. The product has the appropriate hardness which has a direct relation with the types of bonds connecting the carbon atoms in its mineral structures. It is able to provide the strength nor piping connectivity typically required by high-pressure, high-temperature applications
5. The product naturally has the advantage of an orderly internal structure and stable chemical composition, crystal form, and physical properties. Its form or shape can be Bar, Rod, Tube, Pipe, Plate, Sheet, Structural, etc
1. Shanghai ChangZeng Metal Co., Ltd. has taken up most of 2 sch 40 steel pipe market by virtue of its top quality and professional service. We have a great Research & Technology group that continually develops new and more specialized products, and creates innovative ways to enhance our existing lines.
2. We have a clean and tidy manufacturing plant. It runs under a dust-proof and humidity-controlled environment, which provides a good working environment for our workers and optimum manufacturing conditions.
3. We have a product management team responsible for the life cycle of our products. With their years of expertise, they can improve the lifespan of our products while constantly focusing on the safety and environmental issues at each phase. ChangZeng will persistently list as the guidance to guide enterprise to move forward. Contact!