
Philipps University of MarburgHessen, Germany

Kaco Wuxi Sealing Systems Co. Ltd.

Dae Jin Machinery Co. Ltd.

Xinjiang Xinfeng Xinneng Environmental Protection Technology Co., Ltd.

Qingdao Qianshengye Construction Engineering Co., Ltd.

Qiangde Power Co. Ltd.

Beijing Puqi Pharmaceutical Technology Co LtdBeijing Shi, China

Sichuan Xingli Garden Environmental Engineering Co., Ltd.

Taicang Gelong Mould Co., Ltd.

Chongqing Jinjiang Zhixin Auto Parts Co. Ltd.

Ansheng Pharmaceutical Co., Ltd.

Zhejiang Great Chemical Science & Technology Co. Ltd.