Ru Yi Enterprise Co. Ltd.
Akira Ueda
Guangzhou Mishang Leather Co., Ltd.
Wujiang Jinming Machinery Co. Ltd.
DIOPTIC GmbH
Xuzhou Chengkai Intellectual Property Service Co., Ltd.
Enric (Langfang) Energy Equipment integration Co., Ltd.
Elsam Engineering A/S
Hon. Precision, Inc.
Beijing Dingrongjia Technology Co., Ltd.Beijing Shi, China
Fang Huang
Weifang University of Science & Technology