
ChangZengis the main producers at home and abroad for steel products. ChangZeng's steel coil series include multiple types. This kind of steel h beam is practical and economical for the well operation of steel products. It is chosen for its higher resistance to corrosion. It is one of Shanghai ChangZeng Co., Ltd.'s greatest achievements to understand each customer’s unique business requirement. The amount of carbon present in the alloy is customizable.

Wanting to be the first, our company is driven to serve customers in a responsible and shared value-creating approach.