
Shijiazhuang Railway Vocational and Technical College

Shaanxi Fast Gear Co., Ltd.

Jiangsu Aokai Electric Co. Ltd.Jiangsu Sheng, China

Dongying Shida Shenghua New Energy Co., Ltd.

Ducati Sistemi SpA

Guangzhou Hulianwang Technology Co., Ltd.Guangdong Sheng, China

Xinghua Hengyuan Special Steel Co. Ltd.Jiangsu Sheng, China

Zhuji Yige Decoration Co., Ltd.Zhejiang Sheng, China

Guilin Rubber Design Institute Co., Ltd.Guangxi Zhuangzu Zizhiqu, China

Shanghai Tianqiang Environmental Protection Technology Co., Ltd.Shanghai Shi, China

Thomas Schulte,Germany

Shandong Taijilong Plastic Technology Co., Ltd.