
Dong-yoon Kim

Bluestar Environmental Engineering Co. Ltd.

Shenzhen Longyun Innovation Aviation Technology Co., Ltd.Guangdong Sheng, China

Hangzhou Guangfa Electronic Technology Co., Ltd.

Ningbo Huyong Electric Power Material Co. Ltd.

Liuzhou Jingyang Energy Saving Technology R&D Co., Ltd.

Exclusive Design Co., Inc.

Zhuhai Yiyang Aviation Technology Co., Ltd.

Haihe Biopharma Co., Ltd.

Yancheng Eiffel Mushroom Equipment Technology Co., Ltd.

zig-zag GmbHBaden-Württemberg, Germany

Nanjing Huizhi Lingjie Information Technology Co., Ltd.Jiangsu Sheng, China