Dongguan Jialong Leather Machinery Co., Ltd.
Xuzhou Ji'an Mining Technology Co., Ltd.Jiangsu Sheng, China
Foshan Huizhiyuan Yigang Sewage Treatment Co. Ltd.
Edward Doherty & Sons Ltd.United Kingdom
Heshan Jinyi Copper Industry Co. Ltd.
Wuxi Maitie Precision Machinery Manufacturing Co., Ltd.
Shenzhen Qianyu Technology Co., Ltd.Guangdong Sheng, China
Yunnan Xiaguan Tuocha Group Co. Ltd.Yunnan Sheng, China
Dong-gyu Lee
University of Science & Technology BeijingBeijing Shi, China
Chang Shu Shi Chang Sheng Guan Ye You Xian Gong SiJiangsu Sheng, China
Fujian Mindong Electric Corp. Ltd.