Henangawa environmental science and technology ltd. Is registered at building no. 201, rame road no. 1, new technologies development area, zhengzhou, and is registered as the market supervision authority for the high technology industry development area, zhengzhou city, with legal representation from lee jinhua, and covers general projects: technical services, technology development, technical advice, technology exchange, technology transfer, technology diffusion; environmental advisory services; energy conservation management services; specialized equipment repair; sale of smart transmission and control equipment; sale of specialized equipment for environmental protection; sale of mechanical equipment; sale of mechanical equipment; rental services (excluding licensing services); sale of eco-environmental materials; sale of special instrument instruments for environmental monitoring; sale of specialized chemical products (without dangerous chemicals); repair of general equipment; soil pollution management and rehabilitation services; soil pollution prevention services; sale of soil and site restoration equipment; sale of construction materials; sale of light construction materials; sale of metallurgy equipment; sale of temperature protection materials; extension services for new materials; export and import of goods; export and import/export agents; manufacture of mines; selection of mines, subject to a legal licence, operating on an autonomous basis)