
Ju-Hwan Park,

Dongguan Xinyao Electronic Industry Co., Ltd.Guangdong Sheng, China

The Sixth Research Institute of China Electronics Industry Group Co., Ltd

Guangdong Engineering & Technology Research InstituteGuangdong Sheng, China

Nano Precision (Suzhou) Co., Ltd.

Postal Industry Security Center of the State Post Bureau

Shijiazhuang Zhongbang Packing Materials Co., Ltd.Hebei Sheng, China

Guangdong Wireking Metal Manufacture Co. Ltd.Guangdong Sheng, China

Zhejiang Jiashi Yibao Plate Co., Ltd.Zhejiang Sheng, China

Guangdong Shunjiewei Glass Machinery Co., Ltd.Guangdong Sheng, China

Grunde (Qingdao) New Environmental Protection Building Materials Co., Ltd.Shandong Sheng, China

Dongguan Daheng Industrial Co., Ltd.