RONGHENG GROUP.RONGHENG GROUP was established on February 16, 1996, with its registered office located in Ninghe District, Tianjin. The registered capital is RMB 63.58 million. RONGHENG GROUP possesses internationally advanced production lines and testing equipment for petroleum drilling and production equipment, precision casting, and mechanical processing. Its main products include submersible electric submersible pumps, submersible motors, pressurized water injection pumps, twin-screw pumps, single-screw pumps, reciprocating plunger pumps, and high-precision cast components such as pump impellers and guide housings. Its products serve major oilfields nationwide and are exported to the United States, Germany, Russia, Canada, Japan, Singapore, Indonesia, and other countries, playing a pivotal role among domestic and international oilfield equipment suppliers. Key products include: submersible electric submersible pumps, submersible electric motors, pressurized water injection pumps, twin-screw pumps, single-screw pumps, reciprocating plunger pumps, and pump impeller guide shells.