HENGDA JIANGHAI.HENGDA JIANGHAI is a specialized manufacturer of high-end large submersible electric pump units and a comprehensive technical service provider offering integrated solutions for safe and efficient drainage systems. HENGDA JIANGHAI is the designated manufacturer of submersible motors and pumps for the former Ministry of Machinery Industry of China. As the birthplace of large submersible motor and pump technology in China, it embodies the developmental history and technical prowess of the nation's large and medium-sized submersible motors and pumps. The company primarily engages in the R&D, production, and sales of large and medium-sized submersible pump units, possessing full-series real-machine testing capabilities for submersible pump units. The company's products integrate submersible motors, submersible pumps, and intelligent control systems. Its business spans water conservancy projects, municipal construction, mine drainage, and emergency rescue. Related technologies can be extended to applications such as pumped storage power station pumping equipment, marine mineral resource lifting devices, underwater vehicle propulsion systems, and deep-diving drive motors. Key products include: mining explosion-proof submersible electric pumps, submersible axial flow pump units, and submersible electric pump intelligent control systems.