
China Railway Third Bureau Group Guangdong Construction Engineering Co., Ltd.

Drupps Group AB

Lianzhou Guangyuan Calcium Carbonate Co., Ltd.Guangdong Sheng, China

Yamada Construction Co., Ltd.Japan

Shandong Jiafeng Glass Machinery Co. Ltd.Shandong Sheng, China

Wuhan Wanfuxing Technology Co., Ltd.Hubei Sheng, China

Silicon Valley Micro E CorpUnited States

Kieu Hoang,United States

Deqing Dusun Electron Co. Ltd.

James Robert Shaw,

Jiangsu Xianfeng Nano Material Technology Co., Ltd.Jiangsu Sheng, China

Fujian Yangyu Environmental Protection Technology Co., Ltd.