Environmental science and technology ltd. In hubei, located at 4 x 18 floors of the ruyomi space, located on the street of the wuhan economic technology development zone, with the registration authority being the market supervision authority of the wuhan economic technology development zone, with legal representatives zhang shuwen, operating on general projects: technical services, technology development, technical advice, technology exchange, technology transfer, technology diffusion; environmental advisory services; atmospheric pollution management; air pollution control services; air pollution control services; water pollution management; water pollution control services; water environmental pollution control services; sewage treatment and recycling; soil pollution control services; soil pollution management and rehabilitation services; manufacture of specialized equipment for environmental protection; sale of specialized equipment for environmental protection; manufacture of waste technology equipment; manufacture of sulphur denitration equipment for combustion of coal smoke and gas; sale of equipment for gas de-sulphage; sale of new catalytic and assistive materials; production of specialized equipment (without authorized by law); production of chemical products (without dangerous chemicals); sale of mechanical and electrical equipment (in addition to the projects authorized by law, on the basis of an autonomous licence) and construction of engineering projects; and construction projects (with the approval of