Dongsheng Chemical (Shanghai) Co. Ltd.Shanghai Shi, China
Wuxi Xinhua Lifting Tools Co., Ltd.
Ksel GmbH & Co. KG
Jung-Ho Cho, MBA
Caspar Cloer GmbH & Co. KG
Yizumi Precision Machinery (Suzhou) Co., Ltd.Jiangsu Sheng, China
Puyang Yuanhenrytong Petroleum Machinery Co., Ltd.Henan Sheng, China
Jiangsu Zhuiri Auto Synchronizer Co.,Ltd.Jiangsu Sheng, China
Kwikbolt LtdUnited Kingdom
Zhejiang Hengtong Valve Co., Ltd.
Xiangyang Suhai Machinery Equipment Co., Ltd.Hubei Sheng, China
Changzhou Research Institute of Southeast University