What does Tianjin No.4 Hospital do?

The company is mainly engaged in the design, manufacture, installation and debugging of mechanical engineering projects such as automobiles and process equipment, special equipment, production lines and workshop hangers. The company has large-scale manufacturing plants, mainly manufacturing: automobile assembly (mechanical transportation) production lines and non-standard equipment, welding lines and fixtures, molds, inspection tools, process hangers, etc. Supervisor: China Automotive Industry Engineering Company (the former Fourth Design Institute of Mechanical Industry and the Fifth Design Institute were merged and formed.