
American Gage & Machine Co.Illinois, United States

Fuzhou Linong Environmental Protection Technology Co., Ltd.

Shanxi Fengxi Huarui Coal Chemical Industry Co. Ltd.

Tianjin Oupan Technology Development Co., Ltd.

Zhejiang Lianhe Qihua Knitting Co., Ltd.

Yuxi Normal University

Minth Automotive Technology Research & Development Co., Ltd.

Tungga Linen&Cotton Co., Ltd.

CRRC Qishuyan Institute Co., Ltd.

Nikko Seisakusho KK

ZYS INTERNATIONAL CO.,LTD.

Ingenjrsfirman J Mared AB