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 and accessories; sale of office equipment; import and export of goods; licensing of electrical installations (with the exception of legally approved projects, operating independently of a business licence) (subject to legal authorization, electrical services) (subject to authorization, subject to the approval of the relevant department, to the approval of the relevant department in order to carry out specific business activities in accordance with the relevant department's of the relevant licences)