ChangZengis the main producers at home and abroad for steel sheet. ChangZeng's main products include steel tubing series. Our professional designers can provide help in designing steel beam. It is able to provide the strength nor piping connectivity typically required by high-pressure, high-temperature applications. Shanghai ChangZeng Co., Ltd.'s philosophy of honesty and credit management has created great success. It is easy to process and economical.
We care for the environment. We use environmentally friendly technologies in our production activities to minimize the possible adverse effects on the environment.