Beijing Construction Association was established in October, 1985. Now the Association has 2046 member units, including 333 direct members, most of which are extra large, large and medium-sized construction enterprises, covering building construction, urban infrastructure construction, architectural design, decoration, building materials and some other fields. Members are mainly the central construction companies in Beijing, Beijing state-owned large construction group, the central and other cities construction enterprises in Beijing and the emerging private enterprises. Member units of the Association accomplish 80% of all the engineering quantity of the construction industry in Beijing. The Association performs five duties, representing, self-disciplining, coordinating, serving and managing the industry, and shoulders the responsibilities of providing services, reflecting demands and standardizing behaviors, as the representative and influential social organization in Beijing’s construction industry.