The registration for china's so-called environmental engineering project (beijing) ltd. Is located at the 6th street of the eastern camp in the town of the town of the town of ping valley in beijing. The registration authority is the market supervision authority of ping valley district in beijing. The legal entity is represented by wang, and its activities include licensed projects: construction engineering design; indoor environmental testing; stage engineering; and subcontracting of construction services. General projects (projects subject to legal authorization and subject to the approval of the relevant department, subject to the approval of the relevant department) (contracted works; sale of insulation and insulation materials; sale of information systems; integration of intelligent control systems; manufacture of insulation and insulation materials; construction of building decorations, hydro-heating pipe parts and other construction metal products; sale of building decoration materials; manufacture of light-quality construction materials; construction of water-proof material; marketing of new ceramic materials; production of metal materials; and production of acoustic equipment (with the exception of projects authorized by law, autonomous operation of sound equipment in accordance with the law)