The registration authority is the market supervision authority of the yindu district of anyang city, represented by a legal person, and covers general items: manufacture of general equipment (other than special equipment); manufacture of specialized equipment for environmental protection; manufacture of refrigeration, air-conditioning equipment; manufacture of mechanical and electrical equipment; manufacture of metal packagings and materials; manufacture of pumps and vacuum equipment; manufacture of general valves and rotor plugs (other than special equipment); manufacture of gas, liquid separation and pure equipment; manufacture of metalworking machinery; manufacture of digitally controlled machinery; development of software; development of technology for the network of goods; repair of general equipment; sale of electrical equipment; sale of instrumentation forms; sale of hardware and spare parts; sale of electrical switch control equipment; sale of machine-bed functional parts an...