
Shenzhen Luxon Optoelectronic Technology Co. Ltd.

Ningbo Dahongying University

Zhejiang Xinya Industrial Co. Ltd.

Qingdao Hyde Engineering Group Co., Ltd.

Jilin Zhongcai Pipeline Co. Ltd.

Sinosteel Shijiazhuang Enginering Design & Research Institute

Ming Hsiung Chen,

Teledyne Optech, Inc. (Ohio)

Guangzhou Ximei Information Technology Co., Ltd.

Kouei Kogyo KK

Dalian Everyday Good Electronic Co. Ltd.

Jiangsu Heli Stone Intelligent Technology Co., Ltd.