About Us

UNION INSTRUMENTS CO., LTD was established in 1990. We first started our business with the manufacture of analogue and digital multi-meter and power supply etc electronic instruments and have gradually expanded our product range to telecom products e.g. pages, cordless phone in middle of 90'. In addition, from year 2001, we have launched a wide range of wireless electronic products catering for different market needs, including 2.4GHz Wireless Surveillance System/Baby Monitor and AV Sender, Wired & Wireless Doorbell, PMR (Private Mobile Radio), FRS (Family Radio Service) Walkie Talkie, Ultrasonic Distance Measurer. Currently, we engage in the design, manufacture and sales of high quality electronic products which included, but not limited to, the following categories:

Electronic Measurer

UNION INSTRUMENTS CO., LTD headquarters are located in Hong Kong while the manufacturing plants are based in ShenZhen, China. The work of sales & marketing, administration & finance and production co-ordination is mainly carried out in the Hong Kong office, while the factory in China concentrates on R&D and production task etc.

We are experts in manufacturing Consumer Electronics, Industrial Electronics. We have specialized research and development engineers dedicated to produce better and more reliable products at competitive prices. With an efficient management team, we are able to provide prompt and timely delivery to our customers.

U631 series CE Certificate

U631A series FCC Certificate

Wireless Door Bell Cert

WOS815&C, WOS817&A, WOS826&C LVD Cert

WOS825A&B, WOS813R&T R&TTE Cert

WOS826C EMC Cert

HKEIA AWARD