The registration address of the company is located on the 5th floor of building 2 of tianhuang street, beijing city; the registration authority is the market supervisory authority of the beijing city, with representatives of legal entities, and covers general items: technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; sale of mechanical equipment; manufacture of general-purpose equipment (excluding special equipment); repair of specialized equipment; manufacture of mechanical and electrical equipment; manufacture of specialized equipment (excluding licensed specialized equipment); manufacture of specialized equipment for environmental protection; manufacture of specialized machinery for water resources; sale of electrical equipment; production of electrical equipment for domestic appliances; sale of instrumentation; sale of plastics; manufacture of glass products on a daily basis; sale of refrigeration, air-con...