Sichuan Yuguang Optical Glass Co., Ltd.
Wuhan Jiancheng Engineering Technology Co., Ltd.
Lafarge Refractories Gmbh
Trigum Engineering GmbH
Shandong Tianchuan Precision Medical Technology Co., Ltd.Shandong Sheng, China
Hiroshi Hirayama,
Fujian Province Fengshan Stone Group Co. Ltd.
American & Schoen Machinery Co.Massachusetts, United States
Guangdong Kailes Photoelectric Technology Co., Ltd.Guangdong Sheng, China
Leling Taishan Artificial Turf Industry Co., Ltd.
Gansu Yantian Energy Saving and Environmental Protection Technology Co., Ltd.
Center for Industrial Research