
Yoo-jin Lee

Dongtai Qb Stainless Steel Co. Ltd.

KH Controls, Inc.

Zhejiang Tianneng Power Energy Co. Ltd.

Shenzhen Jingyi Smart Technology Co. Ltd.

Sias International College of Zhengzhou University

Lang Apparatebau GmbH

Zhongshan Yingliang Health Technology Co., Ltd.

Suzhou New District Teflon Plastic Products Factory

Kolb GmbHVorarlberg, Austria

Shanghai Dongshitang Renewable Energy Co., Ltd.

Shenzhen Tongli Science & Technology Development Co., Ltd.