Dongguan King-Tower Hardware Co., Ltdis one of the largest enterprises to produce tight firmware in Mainland China. China screw manufacture choose King-Tower.Our company produces all kinds of Sem screws,Safety screws,Chiacgo screws,Special screws,Customized screws,Plastic head screws Lathe screws,and Professional screw, to meet various standard requests from different countries. All the equipment is introduced from the United States, Japan and Taiwan. Good equipment, consummate craft and strict management enable the quality of the products and service standard to reach the level of international market.