Jiangsu Wujin Hydraulic Opening and Closing Machine Co., Ltd. is a large second-class enterprise directly under the former Ministry of Machinery Industry. It is one of the earliest enterprises in China to produce complete sets of hydraulic systems and large/super-large oil cylinders. It is a complete set of hydraulic systems and large-scale oil cylinders in the former Ministry of Machinery Industry. /The designated enterprise for super-large oil cylinders is the designated enterprise for the Ministry of Water Resources to produce hydraulic starters and shutters. In the early 1990s, he had nearly three years of cooperation with Mannesman Rexroth (the predecessor of Changzhou Rexroth), and is still a strategic partner with Bosch Rexroth (Changzhou) Company.

Jiangsu Wujin Hydraulic Start and Closing Machine Co., Ltd. was established in 1970, covering an area of ​​150 mu, with a construction area of ​​about 70,000 square meters, and the original value of fixed assets was 141.48 million yuan. The company has two wholly-owned subsidiaries, including Changzhou Zhaobang Hydraulic Complete Equipment Co., Ltd. specializes in military products and ceramic piston rods, metal surface ceramic coating treatment and ceramic additive business, Jiangsu Longcheng Heavy Machinery Co., Ltd. specializes in metallurgy, Industrial hydraulic businesses such as forging are also important subcontractors for Changzhou Rexroth's complete set of hydraulic systems and metallurgical cylinders/large/super-large cylinders.

Wujin Hydraulics has Jiangsu Enterprise Technology Center and Jiangsu Engineering Technology Research Center. It has passed ISO9001 quality management system certification, ISO14001 environmental management system certification, and ISO45001 occupational health and safety management system certification.

Wujin Hydraulic's main products: complete set of hydraulic systems, hydraulic cylinders, large/super-large oil cylinders, hydraulic starters, ceramic surface treatments and ceramic additives, etc., which are widely used in metallurgical forging, water conservancy and hydropower, engineering machinery, offshore equipment, etc.