we are the main produce a range wireless intelligent security and protect alarm system , it is included wireless doorwindow detector, PIR infrared detector, Gassmoke sensor, master control panel and so on, it is widely used to in home, office, supermarket, factory, villa, apartment, garage, bank and so on. W e have been a government nominated the private enterprise and the products are sold all of the world over ten years, s o far the manufactory has100 employees, the engineer team 20, sales people10, After-sales service 2 years for all of products, and now some of Europe and America have agent sales, it is also distributing to every area in the native