How about credentials for steel channel of ChangZeng?

Several national and international quality certificates have been obtained for steel channel , following years of development. We have a R&D team dedicated to its development. They make every effort to improve the technology and simplify the process. They offer support during the quality control and the quality certification. The workers are all well trained. An inter-check mechanism has been set up to make sure the product is manufactured in a standard way.

Shanghai ChangZeng Metal Co., Ltd. is a steel sheet brand that is very popular in Chinese and overseas markets. ChangZeng's steel products series include multiple types. In general, using this product is the easiest and most effective way to promote a commodity. This is because its use helps to brand this commodity. Its excellent tensile strength and yield strength contribute to the quality of the final product. ChangZenghas professionalized its service system to benefit the customer with convenience. This product offers greater strength and uniformity.

We are always active in driving our social responsibility programs. We will always mobilise our employees in different departments to work together to find solutions that can help create a bigger positive impact.