The registration address of hebei technological group limited is 7-1-605 shangshan science and technology industrial park no. 319, shangxiang province, ishiba, with the registration authority being the high new district market supervisory authority, with legal representatives zhang shire, operating in the areas of pv technology development, technology transfer, technical advice; computer software technology development, technical services; construction of solar photovoltaic engineering (separate branch operation only); network technology development; computer plane design; sale, installation, maintenance of household appliances, security equipment, mechanical electrical equipment, lighting equipment, high-voltage distribution equipment; production of water purification equipment (supplier operation only), sale, installation and maintenance; sale of hardware, hardware and peripheral aids, electronic products, computer information systems integration services; weak electrical engineering construction; network engineering construction; installation and construction of electrical and intellectual engineering. (projects subject to legal approval may not operate without the approval of the relevant department)