
Liuan Suoyi Electric Manufacturing Co. Ltd.

Physikalisch-Technische Bundesanstalt

Ling Liu,

Shandong Hongji Machinery Technology Co. Ltd.

Yantai Beihai Marine Engineering Technology Co., Ltd.

Surepure Operations AG

Inspiration Consolidated Copper Co.

Chengdu Yuanhangke Technology Co., Ltd.

Sichuan Lanben Digital Construction Technology Co., Ltd.

Xinyi Maosen Technology Industry Co., Ltd.

Applied Bolting Technology Products, Inc.Vermont, United States

Zhengzhou Haiyi Technology Co., Ltd.