Union Medical Shenzhen Co., Ltd.
Unimicro Medical Systems Co., Ltd.
Unimed Medical Supplies Inc.
TT MOTOR (SHENZHEN) Industrial Co., Ltd
TT Medical, Inc.

Utech Co., Ltd.
Vales & Hills Biomedical Tech. Ltd.
Vanwa Healthcare Co., Ltd.
VAPO HealthCare Co., Ltd.
VITAIMED INSTRUMENT CO., LTD