The Keller Corp.
Cenxi Dongzheng Power Technology Development Co., Ltd.
Beijing Kerun Sanlian Biotechnology Co., Ltd.
Tianjin Puchuan Automatic Control Technology Co., Ltd.
Electro Sistem SRL
Nanjing Jundong Electromechanical Equipment Co., Ltd.
AP Hydraulics Ltd.
Crystal Spring Hog Equipment Ltd.
Institute of Resource Utilization and Rare Earth Development, Guangdong Academy of Sciences
Hangzhou Jie Brand Transmission Technology Co., Ltd.
Tangteck Equipment, Inc.
Tongxiang Yihong Silk Spinning Co. Ltd.