1. Each ChangZeng is highly designed and matched by our workers. It is easy to process and economical
2. With trustworthy cooperation partners, ChangZeng ensures the fast delivery time. It is chosen for its higher resistance to corrosion
3. Customer demand is greatly fueled by the durability and performance of the product. It excels in achieving the shape set by the mold
4. The product is exmained by a accomplished team to ensure the reliability of functions. Its heat treatment includes annealed, quenched, tempered, etc
1. Shanghai ChangZeng Metal Co., Ltd. has many years of experience in delivering to the Chinese market and is an approved vendor in the industry.
2. ChangZeng has been focused on the quality of steel shapes and weights since its establishment.
3. We establish an effective and efficient control system for waste and resources, with the aim of safeguarding the health and welfare of the community from any adverse environmental issues. All of the wastes will be treated by specific waste management facilities before discharge.