The registered address of chengdu xenglian environmental technology ltd. Is located at 172 shinjing street in the xinyang city park, sichuan province, with the registration authority being the sichuan tienzhou market supervision authority, represented by the legal person liu quan, and covers technical development, technical services, technical advice, technology transfer; environmental pollution management; environmental engineering; river and lake rehabilitation works; municipal utility works; electrical engineering works; construction and electrical installation works; water protection and temperature protection works; petrochemical engineering works; engineering survey design; engineering consulting; enterprise management consulting; land preparation; production of mechanical and electrical equipment (except for branch operations); leasing; oil drilling equipment, metal pressure vessel design; sale of mechanical equipment and accessories, instrumentation forms, electronics products, hardware, valves, construction materials, minerals, metal materials, chemical products (without dangerous products); and import and export of technology. (projects subject to legal approval are not allowed to operate without the approval of the relevant authorities)。