The rejection rate of steel angle under Shanghai ChangZeng Metal Co., Ltd. is controlled perfectly. The product is quality controlled excellently. This is definitely the very best means to lower the rejection rate. All issues present in the rejected goods are going to be found so the product quality will be improved along with also the rejection is going to be decreased.

ChangZengis a true expert in the steel coil industry. ChangZeng's steel coil series include multiple types. This product has the advantage of repeatability. Its moving parts can take on thermal changes during repetitive tasks and have tight tolerances. Its sizes and thicknesses are customizable for different applications. All of Shanghai ChangZeng Co., Ltd.'s products are favored and trusted by customers. It is highly resistant to corrosion and oxidation.

Our company aims to be a long term, reliable supplier with a wide product range and solid product quality. We will put more effort into improving our manufacturing abilities.