The registration address of chengdu sky science and technology ltd. Is located at 1st floor, 4th street, chengdu city park, 1st floor, with the registration authority being the market supervision authority of chengdu city, with legal representation from li state, and includes the sale of spare parts for cars, equipment for the environment and spare parts, catalysts for the environment, energy-saving equipment; design and construction of environmental works, mechanical works (other than special equipment); research and development of energy-saving technologies; import and export of goods and technology (other than goods and technologies prohibited by the state or involving administrative authorization); maintenance of environmental equipment; technical services for mechanical and electrical equipment (other than special equipment). (certificate-based operations involving qualifications). (projects subject to approval according to the law may not operate without the approval of the re...