National Geological Experiment and Testing Center
Necto Group Srl
China Railway Eryuan Engineering Group Co., Ltd.
Guangling College of Yangzhou UniversityJiangsu Sheng, China
Shanghai Youbao Rubber & Plastic Products Co. Ltd.
Hunan Guoao Power Equipment Co., Ltd.Hunan Sheng, China
Lida Electromechanic Co. Ltd.Zhejiang Sheng, China
Taicang Susheng Electric Technology Co., Ltd.
Product Design & Engineering, Inc.
Dogetech Industrial Co. Ltd.
Unitika Sparklite Ltd.Kyoto-fu, Japan
Shandong Province Enxin Special Vehicle Manufacture Co. Ltd.Shandong Sheng, China