... Head type: Hexagon head, Mushroom head, Pan head, Countersunk head,Bugle head, Oval head, Hex flange head, Button head,Triangular head , Round head, Ball head ,Spherical Cheese Head,Hexagon socket head ... Shaft machine Liqiang ,Auto lathes Libo & XB,CNC machine SHENGYU & SYX42,Inclinable press machine WORLD & ... October, 2000, specializing in the production of CNC/AUTO lathe, springs, shafts, screws, ...