Hainan Grainfull Electrical Technology Co., Ltd. is located in the free trade zone of Yangpu Economic Development Zone, Hainan Province, with a registered capital of 10 million yuan. The company has a company specializing in the production, sales, technical research, technical development and technical services of power system products, as well as the design and construction of power engineering, sales, installation and technical services of power products, electrical equipment, electrical equipment, and energy storage devices, The company's main products include 1kV-500kV power cables and accessories, transformers, power construction tools, power engineering cable laying and accessory installation, power engineering installation, debugging, acceptance, etc. With the aim of "optimizing services" and "full process quality tracking", the company has established a professional construction, installation, and acceptance team, committed to providing customers with professional power cable, accessory installation, transformer installation, and power engineering installation, debugging, and acceptance services. The business scope includes: installation, maintenance, and testing of transmission, power supply, and receiving power facilities, technology import and export, and goods import and export; Wire and cable business, sales of electrical materials, research and development of efficient energy-saving technologies in the power industry, sales of Charging station, engineering management services, etc.