RONGHENG GROUP.RONGHENG GROUP, established in 1996 and headquartered in Ninghe District, Tianjin, with a registered capital of 63.58 million yuan, is a leading domestic manufacturer of petroleum drilling and production equipment. The company possesses internationally advanced production lines and testing equipment, with products spanning six major categories of core equipment—including submersible electric submersible pumps, pressure injection pumps, and screw pumps—along with precision castings, achieving industry-leading technical performance. Its products serve major domestic oilfields and are exported to over ten countries including the U.S., Germany, and Russia, establishing the company as a key global supplier in oilfield equipment. Centered on precision casting and high-efficiency pump technologies, the company continuously delivers highly reliable equipment solutions for the petroleum industry, ranking among the top in market share and brand influence.