... .ISO9001-2008 Lock,Door Lock,Handle Lock,We are a professional manufacturer specialized in locks, handles, hinges and others decoration hardware in Zinc, Aluminum, Steel ... ,Plastic,etc.Generally, our products are made of zinc alloy, Al alloy, brass, other steel, also, we do the ... plated, satin chrome plated, brass brushed, bright brass, polished etc. Lock,Door Lock,Handle Lock