
Kyung-hyun Park

Chongqing Vocation College of Architectural Engineering

Hengyang Taiyuan Commercial Concrete Co., Ltd.

Abu-plast plastic plants GmbHGermany

Beijing Dianba Technology Co. Ltd.

Kirin Engineering Co., Ltd.Kanagawa-ken, Japan

enSilo Ltd.Israel

DiaMed GmbHSwitzerland

Hebei Meishen Technology Co., Ltd.Hebei Sheng, China

Universal Marion Corp.

Wenzhou Chongya Electronic Technology Co., Ltd.

Jiamusi Donghua Harvest Machinery Manufacture Co. Ltd.