
Jiangsu Joyful New Material Co., Ltd.Jiangsu Sheng, China

Dieter Hahn, PhD

Tianjin Sino-German Engineering Design Co., Ltd.Tianjin Shi, China

Jiuyu Xingye Technology Co., Ltd.

ProVI GmbHBayern, Germany

Foshan Xing'ao Packaging Co., Ltd.

Zhejiang Anyall Audio Technology Co. Ltd.Zhejiang Sheng, China

Zhuhai Yecheng Rail Transit Equipment Technology Co., Ltd.Guangdong Sheng, China

Jinan Quanhua Packing Products Co. Ltd.

Nonaka Works Co. Ltd.

Hunan Hongyue Technology Co. Ltd.

Ningbo Changya New Material Technology Co., Ltd.Zhejiang Sheng, China