
Ming Jang Sewing Machine Co. Ltd.

Yuanbao Construction Engineering Group Co., Ltd.

Dauphin Precision Tool LLCSachsen, Germany

Shenzhen Huikang Precision Instrument Co., Ltd.

Guangzhou Pinzhong Electronic Technology Co., Ltd.Guangdong Sheng, China

Hangzhou Junshi Railway Equipment Co., Ltd.Zhejiang Sheng, China

China Railway 9th Bureau Group Second Engineering Co., Ltd.Jilin Sheng, China

Tianjin Wuyuan Steel Products Co. Ltd.

Shandong Qinheng Technology Co. Ltd.Shandong Sheng, China

Indústria de Carrocerias Metálicas Ibiporã Ltda

Yamamoto Electric Works Co. Ltd.

Lanzhou Lanya Petrochemical Equipment & Engineering Co.,Gansu Sheng, China