CSSC Changjiang Technology Co., Ltd. is a wholly-owned subsidiary of China State Shipbuilding Corporation (CSSC), tracing its roots back to a military enterprise founded in 1968. It is a professional manufacturer of dispensing, coating and lubrication equipment, as well as a major integrated general contractor in the coating industry. The "Changjiang" brand dispensing equipment holds multiple national patents and is compatible with sealants from well-known domestic and international brands such as Henkel, Dow Corning and Sika. Its products are widely used in automotive assembly, new energy batteries, rail transportation, wind power, shipbuilding, and national key projects. The company actively promotes import substitution through independent R&D, with core products including the PD series roller plunger metering machine, the PGM series gear pump metering system, and the DP series screw metering machine. These form a complete solution from material supply, metering to dispensing, successfully breaking the pattern of imported products and exporting worldwide. Grounded in military-grade quality and driven by technological innovation, Changjiang Technology is committed to providing first‑class fluid handling equipment.