The registration address of river, north and south irrigation engineering ltd. Is located in room 1521, building no. 1, west incubation of the university science and technology park no. 11, changzhou city, henan province. The registration authority is the market supervision authority of the zhengzhou city high technology industry development area, which operates on behalf of liu zhen, and includes general projects: irrigation services; marketing of agricultural machinery; marketing of agricultural, forestry, livestock, and fisheries professional machinery; installation, maintenance, maintenance, water-related consultancy services; agricultural machinery services; agro-horticulture services; greening works of the forest; smart agricultural management; engineering operations of the general company; technology networking services; marketing of technical services, technical advice, technology exchange, technology transfer and technology promotion; marketing of spare parts for agriculture, forestry and fisheries; sale of plastics; sale of safety-proofing equipment; sale of building materials; electrical and cable operations; distribution of forest products; sale of specialized equipment for environmental protection; distribution of computer software and assistive equipment; sale of electronic products; sale of lighting equipment; sale of broadcasting equipment (subject to legal authorization, subject to the approval of the law, to carry out of a project