Zhengping Road & Bridge Construction Co., Ltd.Qinghai, China
Leica Geosystems AGSankt Gallen, Switzerland
Sichuan Zhide Geotechnical Engineering Co., Ltd.
Betongindustri ABStockholms Lan, Sweden
China State Construction Engineering Corp. Ltd.Dubai, United Arab Emirates
Trelleborg Carquefou SAS
Officine Maccaferri Italia SRL
China Academy of Transportation Sciences
Beijing Jianghe Curtain Wall System Engineering Co., Ltd.
Mitchell EngineeringCalifornia, United States
Finnah Engineering u. Packaging GmbH
Matsumoto Yushi-Seiyaku Co., Ltd.Osaka-fu, Japan