
ChangZengis a lively and enthusiastic manufacturer centered on steel tubing. ChangZeng's steel coil series include multiple types. This product requires less maintenance. It is designed so that it can work for long periods of time without causing severe wear and tear. It complies with the standards of GB, ASTM, JIS, BS, EN, TOCT, KSD, IS, etc. Shanghai ChangZeng Co., Ltd.'s employees are committed to providing exceptional service that is unique and distinct from all others. It can be processed by welding, punching, cutting, bending, painting, etc.

“Excellence, Integrity and Entrepreneurship” are the common beliefs we bring to our professional and personal behavior – they are the fundamental strengths of our business.