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.