The registration address of the mechanical plant in the city of xianyang, henan province, is located in the chai-chou building in the city of changyang, with the registration authority being the market supervision authority for the city of zhongyang. The legal entity is represented by hui-chang, which operates on general items such as mine machinery; mine machinery sales; manufacture of specialized equipment (other than licensed professional equipment); sale of mechanical equipment; manufacture of specialized equipment for environmental protection; sale of specialized equipment for environmental protection; manufacture of agricultural machinery; sale of agricultural machinery; manufacture of general equipment; manufacture of general equipment for the manufacture of mines; manufacture of general equipment for the manufacture of mines; sale of specialized equipment for the manufacture of agricultural and sub-food products; manufacture of specialized equipment for the manufacture of sewage; manufacture of specialized equipment for the manufacture of specialized machinery for agricultural, forestry and forestry fisheries; engineering services; information technology advisory services; technical services, technical advice, technical exchange, technology transfer and technical promotion; industrial design services; external contracting of equipment; research and development; construction services for general machinery; import and export of goods; export and export of technology, subject to a legal licence)