With Leading position in Lock Field by serveral Patents, Biaochen Burglarproof Equipment found in 1992 with 80, 000M2 production base & over 1300 workers which is the BIGGEST LOCK developer and manufacture in China. Through our deligent work, we gained the best four awards from government:China Famous Brand; Guangdong Famous Brand, Quality Stable Products, Credited Manufacture, & High Security Products as well. Meantime, recommended by CN Administry of Public Security. In order to provide better services for customer convenience, we have made export office in Guangzhou City. Welcome to contact us freely!