Chongqing Changzheng Heavy Industry Co., Ltd.

Our company is a large-scale comprehensive enterprise integrated with forging, steel casting, precision casting, heat treatment, machining, welding, pattern making, surface treatment and so on. The company can provide 20000t die forgings, 50000t open die forgings, 50000t large fabrications, 70000t casting steel and 5000 railway wagons annually. Our company has strong technical support, equipped with advanced means of measuring & testing as well as perfect quality control system. The company owns one technical center, two research institutes and more than 300 engineering technicians; Keeps long-term cooperation with many universities and some other research institutes. Variety of certificates including AAR M1003, IRIS, EN15085, ISO9001, ABS, LR are awarded as well. Our company has mature experience in designing and manufacturing. Products covers engineering machinery parts, railway wagons and its fittings, bridge fabrication and other OEM forgings and castings. The company has ex...