Construction works in beijing, beijing, beijing, inc., are registered at the third district of the town of luyen, beijing, beijing, with the registering authority being the market supervision authority of beijing, with legal representation, including engineering surveys; engineering design; general contracting for construction; professional contracting; subcontracting; domestic labour services; home decoration and design; technology development, technical services, technical advice (except for intermediaries), technology transfer; engineering tender agents; engineering consultancy and engineering technical advice (except for intermediaries); garden greening services; garden greening works; greening design; landscaping; installation and maintenance of machinery; sale of mechanical equipment, waterproofing materials, air conditioning equipment, electrical equipment, communications equipment (except for satellite receiving equipment); electronic products, routines, office supplies, heating equipment, firefighting equipment, building materials, decoration materials, temperature protection materials, metal materials, doors and windows (without bicycles); construction of machinery, cleaning plates, steel, non-silting equipment (only for satellite receiving equipment), and communications equipment; operational activities in the country and industry are subject to legal authorization to conduct business activities in connection with the design and construction of projects that are authorized by law and are subject to the law