Doughnut Corp. of America
Beijing Weishen Technology Development Co., Ltd.
Dongguan Liangcheng Electronic Co. Ltd.
Suzhou Traffic Engineering Testing Center Co., Ltd.
Sungshin Trading Co. Ltd.
Donggang Hongda Pharmaceutical Co. Ltd.
Sang-chul Jung
Instituto de Pesquisas Tecnológicas Do Estado de São Paulo SA
Wuhan Fengying Energy Technology Engineering Co., Ltd.
ESSICA SRL
Guangdong Diyu Metal Technology Co., Ltd.
Xuzhou Tenglu Heavy Industry Technology Co., Ltd.