OSG (Shanghai) Precision Tools Co. Ltd.
Hangzhou Dayou Science Technology Development Co. Ltd.
Interlock Structures International, Inc.
SPHERITECH LtdUnited States
Guangdong Kitchendao Kitchenware Co., Ltd.Guangdong Sheng, China
Zibo Changan Power Tools Co., Ltd.Shandong Sheng, China
Cangzhou Sunheat Chemicals Co. Ltd.
Tlhm Co LtdUnited States
Southern Rubber Works Sdn. Bhd.
Guangzhou Xunqi Glasses Co LtdGuangdong Sheng, China
Motherwell Bridge Engineering Ltd.
Guangzhou Footstep Medical Technology Co., Ltd.