"TIE JIA WEI SHI" is a brand of ZhongshanLingtong Electronic Manufactory. We are located in Guangdong Province, founded in October, 1995 and are a non-governmental holding corporation. Our company is equipped with three product lines and many sets of advanced production equipment and testing apparatus. We have been engaged in the development and production of a series of electronic burglarproof security products in order to offer consumers perfect burglar alarm systems. Our products mainly ...