Zhangjiagang Changli Machinery Co., Ltd. was founded in May 1956, formerly known as the local state-owned Zhangjiagang General Machinery Factory. In May 2003, the ownership transformation was completed and the company was transformed into a private joint-stock enterprise. Changli Machinery is a key production enterprise of metallurgical machinery, coke oven vehicles, pressure vessels, environmental protection equipment, and marine equipment. It is the largest coke oven equipment production enterprise in the Yangtze River Delta region and an international metallurgical cold bed production base. The total value of existing fixed assets is 350 million RMB, covering an area of approximately 170000 square meters, including a building area of 120000 square meters and 300 technical personnel. It has two professional manufacturing bases, Changli and Juli, and is a production enterprise that integrates industry technology research and development, complete equipment manufacturing, and industrial equipment installation. The product market covers 30 provinces, cities, and autonomous regions in China, and is exported to more than 20 countries and regions such as the United States, Japan, Germany, Italy, Russia, Norway, India, etc. It is widely used in powder metallurgy, coking, electricity, chemical industry, building materials, medicine, shipbuilding, port loading and unloading, and other fields. Over the past decade, we have provided over 30000 sets of specialized equipment for over 600 national key projects.

Zhangjiagang Changli Machinery Co., Ltd. is currently a member of the China Heavy Machinery Association, an executive council unit of the China Environmental Protection Industry Association, an emerging enterprise in Jiangsu Province, and an enterprise implementing the National Torch Plan project. It has A2 level pressure vessel design and manufacturing qualification, BV classification society of France, Det Norske Veritas manufacturing qualification, and is a qualified subcontractor of German Symac in Asia Pacific region. It is the first in the industry to pass ISO9001 quality management system certification, ISO14001 environmental management system certification, and GB/T28001 occupational health and safety management system certification. In 2009, it was rated as one of the first batch of enterprise graduate workstations in Jiangsu Province. Becoming a new member of the Jiangsu Provincial Enterprise Technology Center Library in 2021. In 2022, it was selected as a "specialized, refined, and innovative" enterprise in Jiangsu Province and the first major equipment (set) of Suzhou Xichang.

After the construction of the first and second phases of the company's heavy machinery equipment manufacturing project, the company currently has nearly 50 sets of heavy lifting equipment, heavy CNC processing equipment, CNC welding and cutting equipment, large heat treatment furnaces, well type heat treatment furnaces, plate profile pre-treatment equipment, light and heavy assembly platforms, as well as more than 1000 supporting small and medium-sized CNC, digital display machine tools, and riveting and welding equipment, We have formed a complete set of supporting processing and assembly capabilities for the manufacturing process of major complete sets of equipment, and some ultra large high-precision CNC machine tools have filled the gap in processing machine tools in the Yangtze River Delta region.

The company has a chemical analysis laboratory, mechanical performance laboratory, metrology room, and testing room, as well as over 100 precision testing equipment (sets) including various non-destructive testing instruments, ultrasonic testing instruments, magnetic particle testing instruments, chemical analyzers, mechanical performance testing instruments, and instrument calibration instruments. It has also established a scientific and standardized quality control system and gradually established quality assurance responsibilities. At the same time, the company has established a welding research institute, including a welding training center and a welding laboratory.

Zhangjiagang Changli Machinery Co., Ltd. integrates continuous improvement of customer satisfaction and provides customers with a complete product service process of "technical solutions, equipment manufacturing, accessory supply, and after-sales support". The company has a professional installation company and is equipped with a dedicated after-sales service team, establishing a "project responsibility system", clarifying the responsible person for each engineering project, and responding to each customer with a "24-hour dynamic response" system, achieving precision, precision, and excellence, thus winning a large customer base in the domestic and foreign markets with high-quality products and perfect services. A comprehensive quality management system, reliable testing methods, and a corporate philosophy of trustworthy quality and continuous improvement provide reliable guarantees for the company's product quality.