Yonggu Group was founded in 1985. Its products cover power transmission and distribution materials such as power tools, cable accessories, insulators, copper and aluminum, as well as power transmission and distribution equipment such as primary and secondary fusion column circuit breakers, isolation switches, fuses, and lightning arresters. , is a power transmission and distribution system service provider integrating R&D, manufacturing, sales and service. The company is shortlisted as a Class A supplier of State Grid, Southern Power Grid and Inner Mongolia Power.

As a member unit of the National Overhead Line Signage Committee and an IEEESA member unit, Yonggu has led/participated in the formulation and revision of 4 international standards, 3 national standards, 20 industry standards, 1 local standard and 3 group standards, and assisted the country. The power grid company has formulated the "General Design of 10kV and 35kV Distribution Lines for State Grid Corporation's Power Transmission and Transformation Project" and participated in the typical design of the distribution grid project of State Grid Corporation. Yonggu Power Transmission and Distribution Equipment Research Institute has been recognized as a provincial enterprise research institute, the technology center has been recognized as a provincial enterprise technology center and a provincial high-tech enterprise research center, and a provincial postdoctoral research workstation, and the technical innovation team is The Wenzhou municipal key innovation team has undertaken and completed 82 projects including the National Torch Plan, Provincial New Product Development Project and Municipal and County Science and Technology Plan, held more than 100 valid national patents, and won 5 provincial and municipal science and technology progress awards. The company has established extensive industry-university-research cooperation with many well-known domestic universities such as Shanghai University, Xiangtan University and Wenzhou University.

Yonggu Laboratory is a national accredited laboratory of CNAS. The accreditation scope covers nearly 80 national standards and 110 detection projects, covering temperature rise, resistance, thermal cycle, load damage, power characteristics, power frequency withstand voltage, lightning impact, and local discharge , chemical composition analysis of metal materials, metal flaw detection and other test items. The total area of ​​the laboratory is more than 2,500 square meters, and has introduced the US FEI scanning electron microscope, the German SPECTRO direct reading spectrometer, the German ZEISS metallographic microscope, the Japanese Olympus handheld XRF analyzer, the X-ray digital imaging detection system, and the optical image detection system. , 600kN electro-hydraulic servo horizontal tensile tester, 600kNMTS industrial system electro-hydraulic servo universal tester, microcomputer digital display automatic sample analyzer, 4000A temperature rise and thermal cycle test equipment, complete equipment overcurrent tester, 150kV AC high-voltage tester and other advanced testing equipment.

Yonggu has passed the certification of quality management system, environmental management system, occupational health and safety management system, measurement management system, intellectual property management system and energy management system. The products are widely used in many industries such as power systems, rail transit, energy and chemical industry, mobile communication, etc., including State Grid South Grid UHV line project, provincial agricultural distribution network renovation project, Shengli Oilfield standardization project, Gulong Oilfield high-yield well oil layer production capacity construction project, etc. Key power projects at home and abroad provide high-quality products and services.