Zhongchengxiang Construction Group Co., Ltd.Shandong Sheng, China
Anhui Luban Steel Structure Co. Ltd.
CCCC South China Surveying and Mapping Technology Co., Ltd.Guangdong Sheng, China
Hefei Zhongya Environmental Protection Technology Co., Ltd.Anhui Sheng, China
John Crane-Houdaille, Inc.
Component Technology, Inc.
ASA BV
Firestone, Inc.
Liang Zhan Industrial Co., Ltd.
Tenneco Oil Co.United States
Beijing Hangtian Kaien Chemical Science & Technology Co. Ltd.Beijing Shi, China
Chizhou Guixing Non-Mineral New Material Co., Ltd.