Beijing Haidian DistrictNo.25 Xin Xing City Town ChemicalNo.25 City Town Chemical ConstructionNo.46 Di Ji Ji Chu EngineeringNo.47 Yan Tu EngineeringNo.48 Yan Tu Gong Cheng She Ji Shi EngineeringNo.50 Di Ji Ji ChuNo.62 Water Conservancy Hydropower EngineeringNo.74 Water Conservancy EngineeringNo.95 Gong Road Engineering Road Road Engineering Transportation Engineering Ji Chu Facilities ConstructionISO9001认证ISO14001认证建筑工程施工总承包