Wistech Co. Ltd.
Tangshan Zhiwei Technology Co., Ltd.
Sunway Plastic Product Zhuhai Co. Ltd.
Chongqing Kanghua Ruiming Technology Co., Ltd.
Martins Maintenance, Inc.
Shenzhen Liweiye Technology Co., Ltd.
Greenstone Corp.
Weiji Rail Transit Technology (Zhenjiang) Co., Ltd.
Jiangsu Shenjiu Chemical Fiber Co., Ltd.
Guangzhou Jiezhong Intelligent Technology Co., Ltd.
Vario-Werke Dichmann AG
Remote Marine Systems Ltd.