
Jiangsu Dianke Electrical Equipment Co. Ltd.Jiangsu Sheng, China

HUACHUANG ROBOT MANUFACTURING CO.,LTD.

Ningbo Meijingkang Environmental Technology Co., Ltd.

Chongqing Hewei Technology Co., Ltd.

Beijing Zhishu Technology Co., Ltd.

Yichang Ruichuan Optoelectronics Technology Co., Ltd.

Arakawa & Co. Ltd.Japan

Cracow University of Technology

AZ Gomma Ricambi SRL

J.W. Spear & Sons Ltd.BERKSHIRE, United Kingdom

China Communications First Navigation Bureau Fifth Engineering

Beijing Yiyangheng Railway Information Technology Development Co., Ltd.