
Guangdong Xinhui Aluminium Products Co.,Ltd.Guangdong Sheng, China

Sonoform ABSweden

Nakajo Engineering Co., Ltd.Japan

Fortex, Inc.

Shenzhen Small Leaf Technology Co., Ltd.Guangdong Sheng, China

Guangdong Shunde Electric Power Design Institute Co., Ltd.Guangdong Sheng, China

Weihai Yihe Rubber Plastic Products Co. Ltd.Shandong Sheng, China

Sigmagen IncUnited States

Guangzhou Osdun Electric Co., Ltd.Guangdong Sheng, China

Hiroshi Hirayama,

Yunnan Tiehan Steel Structure Engineering Co., Ltd.Yunnan Sheng, China

Dalian CRRC Zetong Electric Co., Ltd.Liaoning Sheng, China