WINNNERS METAL MANUFACTORY is located in FoShan city, the hinterland of the Pearl River Delta, with convenient water and land transportation. Its main product is advanced safety lock, and it is much experienced in designing and producing advanced safety lock. The factory has been developing and launching the new product, and has obtained three national patents for new practical structure. Our products have been exported to HongKong, South-east Asia, etc. and have a favourable opinion.        Double core pin system is our present main product, it has good theftproof feature and its peculiar advantage.