The China Zhongyuan Engineering Corp.
IHI Infrastructure Systems Co., Ltd.
Tianjin Installation Engineering Co. Ltd.Tianjin Shi, China
Hermann Berstorff Maschinenbau
Hwasung Industrial Co., Ltd.South Korea
DB Systemtechnik GmbHNordrhein-Westfalen, Germany
CINC Industries, Inc.Nevada, United States
Gebhardt Gmbh
East China Architectural Design & Research Institute Co., Ltd.
Morgan Engineering Systems, Inc.Ohio, United States
Quest Integrity USA LLC
Metal-Era LLCWisconsin, United States