When was ChangZeng established?
Shanghai ChangZeng Metal Co., Ltd. 's history would be written by all our members and partners. Today, our heritage empowers us to create value for our customers at every level and to perfect ChangZeng. Throughout the years, we have made many breakthroughs and strategic choices. We have accumulated bounteous industry experience and reputation.

ChangZenghas grown into an outstanding manufacturer after years of development, providing high quality stainless steel sheet for customers overseas. ChangZeng's steel beam series include multiple types. we c channel steel has to pass through a series of rigorous tests in a lab environment. For example, its electrical components and accessories have to be tested to comply with health and safety standards. It can be processed by welding, punching, cutting, bending, painting, etc. This product helps increase overall productivity. This means that it can help increase profits and cut labor costs in the meanwhile. Its heat treatment includes annealed, quenched, tempered, etc.

We adopt and implement sound environmental management systems and pollution control measures. We will avoid and reduce environmental pollution in our daily production practices.
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