
ChangZeng is the preferred steel sheet brand with unparalleled advantages. ChangZeng's main products include steel tubing series. This product is electrically safe. The insulation components used in this product must past two tests. These are the GWFI (Glow Wire Flammability Index) and the GWIT (Glow Wire Ignition Temperature). It complies with the standards of GB, ASTM, JIS, BS, EN, TOCT, KSD, IS, etc. Shanghai ChangZeng Co., Ltd.'s great capacity helps develop the right deficiencies within your company. It excels in achieving the shape set by the mold.

Looking to the future, our company will continue to strive for superior performance of both product and service through innovation, uniqueness, and excellence.