
Hunan Coal Research Institute Co., Ltd.Hunan Sheng, China

Guangdong Xinfeng Technology Co., Ltd.Guangdong Sheng, China

Suzhou Qingyu Intelligent Technology Co., Ltd.

Curtis & Co.British Columbia, Canada

Jiangsu Ruite Tempered Glass Products Co., Ltd.

Gifu Power Technology (China) Co., Ltd.Jiangsu Sheng, China

Franciaflex SAS

Kattmann Elias LLC

Xiangtan Weida Electromechanical Manufacturing Co., Ltd.

Shenzhen Sofore Geotechnical Engineering Co., Ltd.Guangdong Sheng, China

BH Bearing (ChangXing) Co.,Ltd.

Kyoritsu Construction Co. Ltd.Tokyo, Japan