We specialize in manufacturing M2.2-M8 stainless steel, iron, copper and other materials of self-tapping screws, machine screws teeth, a combination of screws, wood screws, self drilling screws, bolts, nuts, flat pad shells and various stamping parts, machining parts Shaped and other non-standard products. I plant a mold two cold heading machine 11, thread rolling machine 8, three-three-five combination screw machine 2, nut machines, presses and other several. Standards for GB GB and DIN German standard, there are a small number of American standard mold. We (www.zlinluosi.com) near Nanjing, Zhenjiang, Changzhou, Wuxi, Shanghai, has been committed to screws, nuts, self-tapping screws, machine screws, screws and other innovative combination of production and standard parts, non-standard parts, there are no screws screws questions, please give us a call.