- Hongchang Dental Equipment Co., Ltd.
- Address:No.961,Zhongshan Road,Wuhan,China
- Dongguan Kunlun Testing Instrument Co., Ltd.
- Address:New Village Road Intersection, Beihuang Industrial Area, Yuanjiayong, Zhongtang Town
- Wenzhou Redstar Optical Co., Ltd.
- Address:No. 18, Huihuang Road, Wutian St., Ouhai Dist
- Taizhou Jingtai Instrument Meter Co., Ltd.
- Address:Xinghua
- Shanxi Jerry Medical Instrument Co., Ltd.
- Address:Room701/702, Pulse Oximeter, Patient Monitor, Dasheng Tech. Blg., 303Changzhi Road, Taiyuan City, Shanxi Province, China
- Yuhuan Prosafe International Co., Ltd.
- Address:Xuanmen village,Lupu town,Yuhuan County
- Hunan Liuyang Medical Instrument Factory
- Address:JINSHA NORTH
- Jinhua Yidi Medical Appliance Co., Ltd.
- Address:38# Jianye,Gongmao Street,Jinhua City,Zhejiang Province,China