Beijing Institute Of Architectural Design Co., Ltd.
Fokker Holding BVUtrecht, Netherlands
Suzhou Zhongsheng Environmental Remediation Co., Ltd.Jiangsu Sheng, China
Kalkfabrik Netstal AG
Jiangsu Sutong Bridge Co. Ltd.
Samjin Industrial Co. Ltd.South Korea
William Bailey Ltd.Derbyshire, United Kingdom
Kaarta, Inc.Pennsylvania, United States
Nippon Engineering Consultants Co., Ltd.Tokyo-to, Japan
Sinoma Energy Conservation Ltd.Tianjin, China
North China Municipal Engineering Design & Research Institute
SCN Design & Construction Co. Ltd.