Zhejiang Chengbai Environmental Protection Tech Co., Ltd.
Huaneng Shanghai Shidongkou Power Generation LLCShanghai Shi, China
Fellows Corp.
Violex Bic
Shenzhen Riitek Technology Co. Ltd.
Henan High-tech Industrial Co., Ltd.Henan Sheng, China
Acqua Brevetti SRL
Kunshan Minamax Precision Industrial Co., Ltd.Jiangsu Sheng, China
Guangdong Longteng Electromechanical Co., Ltd.
Gadan Maskinfabrik A/S
Opcon, Inc.Washington, United States
Beton International Co., Ltd.