Wujiang Dongwu Machinery Co., Ltd. was founded in 1954 and has a history of more than 60 years. It is a high-tech enterprise specializing in the production of safety valves. The company is located in the Fenhu High-tech Industrial Development Zone of Jiangsu Province at the intersection of Jiangsu, Zhejiang and Shanghai. It is adjacent to Shanghai in the east, Taihu Lake in the west, Zhejiang in the south, and Suzhou in the north. It is the central area of ​​the Yangtze River Delta Economic Circle.

With a good geographical environment, rich historical heritage, advanced technical equipment, and first-class service quality, Dongwu Machinery's Wuzi brand safety valve occupies an important place in the industry. Over the years, products are in Jilin Petrochemical, Dalian Petrochemical, Jinzhou Petrochemical, Guangxi Petrochemical, Dushanzi Petrochemical, Ningxia Petrochemical, Yanshan Petrochemical, Tianjin Petrochemical, Yangzi Petrochemical, Maoming Petrochemical, Gaoqiao Petrochemical, Zhenhai Petrochemical, Qingdao Grand Refining, and Fu Refining. Large enterprises such as China National Petroleum Corporation, Sinopec and CNOOC are widely used by them. The nuclear power safety valves produced by the company have been used in nuclear power plants such as Chashima, Karachi, Qinshan Phase 1 and 2, Fangjiashan, Fuqing, Tianwan, Sanmen, Haiyang, Hongyanhe, Taishan, Dust Protection Port, etc.

Currently, Dongwu Machinery has more than 160 employees, covering an area of ​​more than 30,000 square meters. It has more than 13,000 square meters of workshops for metal processing, nuclear power special valve processing, assembly, heat treatment, and four rooms of chemical analysis, physical testing, metrology and non-destructive testing , more than 160 sets of various gold cutting machine tools, more than 30 testing equipment, and one set of full performance testing equipment for safety valves with cold state (gasy state, liquid state); a 450℃, 25MPa hot state full performance testing equipment with an investment of more than 40 million yuan , passed the acceptance and put into use in early 2014. The company has an annual production capacity of 30,000 units, and its products include six categories: American standard WF series, nuclear-level safety valve series, oil refining special safety valve series, breathing valve series, special safety valve series, and national standard series. The diameter is from DN15-500MM (½″～20″), and the pressure is from 0.04-76.0MPa (150Lb~4500Lb). The products are designed, manufactured and inspected strictly in accordance with the standards such as GB12241~12243-2005, API520, 526, 527 and ASME BPVC I, III, VIII. This series of advanced equipment and excellent technology provides strong guarantees for the production of various safety valves.

Dongwu Machinery is a unit with a safety valve production license of the Ministry of Mechanical and Electrical Engineering. After joining the China Petroleum and Natural Gas Group's first-level supply network and Energy No. 1 network, the company became a member of China Petroleum and Chemical Corporation's Material Equipment and State Power Materials Company. factory. In 1998, the company obtained the ISO18001 occupational health and safety management system certificate and the ISO14001 environmental management system certificate in 1998. In 2002, the company obtained the "Special Equipment Manufacturing License of the People's Republic of China" and in 2004, the company obtained the National The Nuclear Safety Bureau issued a license to design and manufacture nuclear 2 and 3 levels of safety valves for civil nuclear pressure-bearing equipment. The company's safety valve products have obtained 32 patent certificates.

Work tirelessly and be safe. After receiving considerable performance and many honors in safety valves, Dongwu Machinery did not meet the status quo, but looked to the future and continued to innovate. After signing a cooperation agreement with East China University of Science and Technology in 2010 to jointly develop high-temperature and high-pressure safety valves, nuclear power regulator safety valves, as well as full-performance safety valves for petrochemicals, electricity and other industries, the company in 2011 In addition, we have joined forces with Suzhou Newway Valve. Based on scientific management, rich practical experience and perfect management mechanism, we have built an international first-class safety valve brand and achieved well-known enterprises as our mission. We are enterprising and strive to provide safety for our customers. Reliable safety valve series products.