www(dot)sebonchina(dot)com/Hardware-or-machine-parts/ Sebon casting is specialized in producing precision west midlands. As the domestic well - known west midlands: supplier and OEM manufacturer, the sebon casting production of aluminium alloy, zinc alloy precision castings, we can provide quality Door knobs accessories Door Knob material specifications: Used for opening or closing the door. Material:aluminum alloy or zinc alloy. Process:die casting or precision casting If you want we recommend a suitable type for you, please let us know the following: 1), The drawings 2). Quantity 3). The material type If you are interested in our product, please contact us Zhengzhou Sebon Heavy Machinery Co., Ltd Add: Headquarters Enterprise Base, Ruida Road, Zhongyuan District, Zhengzhou City,450000,China sebon(at)sebonchina(dot)com TEL: 0086-371-86560898 FAX: 0086-371-86011881 Web: www(dot)sebonchina(dot)com/Hardware-or-machine-parts/ Skype:sebonchina