
For many consumers in many countries, Shanghai ChangZeng Metal Co., Ltd. is the number one brand in the field. ChangZeng's main products include steel products series. This product has the required precision. It provides enough dynamic precision for the program without any human error. It is not subject to yield-point runout and can, therefore, require low levels of maintenance. ChangZenghas grown considerably since its foundation. It is selling well in Southeast Asia, the Middle East, Europe, etc.

Our mission is to bring respect, integrity, and quality to our products, services, and all that we do to improve the business of our customers.