Since its establishment for 15 years, Beijing Jianyan Environmental Protection Equipments Co., Ltd (hereinafter as “Jianyan”) commits to environmental protection, forms a cooperative relationship of mutual trust with the relevant government sectors and clients, and has completed over 300 large sewage treatment projects for different industries, which not only generated a considerable economic benefits and enormous social benefits; but also solved the water pollution issues for the clients, greatly improving their peripheral environment. In line with elaborate design and professional construction, we built all projects as typical engineering which have passed acceptance of the state environmental protection authorities, all treated wastewater reach or exceed the state discharge standards, won the unanimous praise from clients.