Chenzhou Hengwei Electronics Co., Ltd.Hunan Sheng, China
Shanghai Gangkai Purification Products Co., Ltd.
Guangzhou Fengdong Thermal Refining Co., Ltd.
Zhejiang Sound Machinery Manufacture Co. Ltd.Zhejiang Sheng, China
Nanjing Baixia High-Tech Industrial Park Investment DevelopmenJiangsu Sheng, China
Jiangsu Lugang Technology Co., Ltd.Jiangsu Sheng, China
Changsha Wanhua Machinery Co., Ltd.Hunan Sheng, China
Taizhou Qianhong Household Products Co., Ltd.Zhejiang Sheng, China
Teewinot Technologies Ltd.DUBLIN, Ireland
Dongguan Huanding Construction Technology Service Co., Ltd.Guangdong Sheng, China
HONG KONG SCIENCE & TECHNOLOGY GROUP LIMITED
Pinghu Meilv Travel Products Co., Ltd.Zhejiang Sheng, China