- Guangzhou Ho Pui Laboratory Equipment Co., Ltd.
- Address:Room502, No. 6 Building, No. 600 Guangshan Second Road, Tianhe Area, Guangzhou
- Ningbo Joan Lab Equipment Co., Ltd.
- Address:A2-902, Keqiao World Trade Center, Shaoxing County, Ningbo, Zhejiang, China (Mainland)
- Wuxi Regal Security Technology Co., Ltd.
- Address:No. 102 Jinhui Road, Huishan Economic Development Zone
- Xian Toption Instrument Co., Ltd.
- Address:GaoXin district