
William Eldon Clark,

Kunshan Lukang Trading Co., Ltd.

Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences

Beta BVZuid-Holland, Netherlands

Shandong University at Weihai

Guangzhou Zhifa Industrial Co. Ltd.

World Wide Engineering Co., Ltd.

Luoyang Zhongyuan Mining Machine Manufacture Co. Ltd.

Zhongshan Defeng Information Technology Co., Ltd.Guangdong Sheng, China

Evonik Treibacher GmbHAustria

Anhui Qiantong Education Equipment Manufacturing Co., Ltd.

Changzhou China Railway Technology Co., Ltd.Jiangsu Sheng, China