We were authorized agent of Panasonic and Motorola pagers since 1989. In 1996, we established a factory in Shenzhen, and started to develop and produce our own pagers. "Harking", brand name of our pager series, was well-known for its high quality financial pager in China.

In 2002, we instated our interests in the field of police and social security products, our objective has been to develop outstanding alcohol breath analyzers for the international markets. Alcovisor a series of alcohol breath analyzers designed and manufactured by us, was announced to the market in the following year.

Over the years, Alcovisor is now the most advanced alcohol breath analyzer in the world. Alcovisor is widely used by the law enforcement agencies all over the world. With our outstanding technology, we can surely develop tailor-made alcohol breath analyzers for you.

In 2005, we started to develop LED and LCD products. We have a team of well-qualified engineers concentrating in the development of product softwares and hardwares. Started from 2010, we were focusing on the developments of digital menu products. Our digital menus provide user friendly templates. Moreover, we are able to custom made a software design only for you. You can pick your own materials, sizes and colors.