
Hebei Lehai Musical Instrument Co.,Ltd.Hebei Sheng, China

Suzhou Rongbaochang Environmental Protection Technology Co., Ltd.Jiangsu Sheng, China

ENERTEK SRLItaly

Shanghai Yonggu Electric Material Co. Ltd.Shanghai Shi, China

Sichuan Huaxin Innovative Materials Technology Co., Ltd.Sichuan Sheng, China

Maschinenfabrik Sulzer-Rüti AG

Shenzhen Shenxiang Fastening Technology Co., Ltd.Guangdong Sheng, China

Guangzhou Ruifeng Education Technology Co., Ltd.Guangdong Sheng, China

Syntheon 2 0 LLCUnited States

Wujiang Eek Song Electronics Co., Ltd.Jiangsu Sheng, China

Shandong Chuangyuan Water Co., Ltd.Shandong Sheng, China

HSC Research Development Corp.