Huanding Energy Services, formerly known as the 7th Research Institute of the Ministry of Defense, was established in 1961 and is currently a subsidiary of China Shipbuilding Group. With a focus on research, development, and design of military vessels, Huanding Energy Services has expanded its expertise to the field of petroleum logging in response to national initiatives for military-civilian integration. Over the past three decades, Huanding Energy Services has accumulated extensive research and production experience in the areas of electronic, mechanical, software, and precision machining, making significant contributions to the development of petroleum logging instruments and downhole tools.

The company's range of products includes the advanced 520 series CNC logging system, 521 series CNC logging system, 530/HH2530 fast platform logging system, 580 network transmission imaging logging system, and cable storage dual-mode imaging logging system. Huanding Energy Services has also ventured into the field of downhole operation tools, introducing innovative instruments such as high-power hydraulic crawlers, drilling core barrels for small boreholes with large particles, and electric downhole cutting knives. Having established a strategic partnership with US-based Halliburton in 2001, Huanding Energy Services has enhanced its production process and quality control techniques to meet international standards.

Its commitment to reliability and excellence has resulted in its products being widely adopted in domestic oil fields and utilized in more than twenty countries and regions worldwide. Embracing an open and interconnected future, Huanding Energy Services, together with its parent company, is dedicated to pushing the boundaries of technology and delivering top-quality solutions and services to the petroleum logging and downhole tool industries