
Shanghai ChangZeng Metal Co., Ltd. is known for producing top-quality crafts steel products. ChangZeng's main products include steel products series. This product has the advantage of high processing precision. It is controlled by a precision programmed computer system and works according to instructions given in the digital form. It is highly resistant to mechanical and chemical degradation. Efficient mode of production and service level are achieved in Shanghai ChangZeng Co., Ltd.. It complies with the standards of GB, ASTM, JIS, BS, EN, TOCT, KSD, IS, etc.

Our company has a strong sense of integrity. All employees are expected to comply with ethical practices to ensure that our business is conducted with the highest level of integrity.