What about the quality management system in ChangZeng?

Shanghai ChangZeng Metal Co., Ltd. owns a complete quality management system that has been employed for decades. The quality management process is centered on incoming materials, semi-finished goods and completed products. Regarding finished products particularly, their performance, service life, etc., are tested before sending. We'll keep on enhancing the quality management and reducing the rejection rate.

ChangZeng is a steel beam brand that is very popular in Chinese and overseas markets. ChangZeng's steel sheet series include multiple types. This product has the characteristics of low energy consumption. Optimized circuit layout, less wiring, and reduced energy consumption to a certain extent. It has served more than 600 foreign customers. Today, ChangZenghas successfully built a comprehensive, tridimensional corporate image. It comes with installation instructions and videos.

We pursue environmental protection in our business. We maintain a high level of environmental awareness and have found production ways to improve environmental friendliness.