Zhongshan BIAOCHEN Burglarproof Equipment Co.,Ltd, the manufacturer of YUEMA locks, which is founded in 2002 in Zhongshan city, G.D., China. The enterprise under the advantage of Zhongshan Xiaolan hardware, has been developing into one of the most famous factory in security equipments manufacturing and sales, covering 26,000 square meters and employing more than 1300 staffs.