link chain bending and welding machine chain bending machine chain welding machine 3-22mm Automatic chain bending machine is a machine for the production of continuously bent ... Wire diameter:3-6mm,6-11mm,11-16mm,13-18mm,16-22mm Inside link length (pitch):Max 130 mm;Wire ... ,20-35,12-16 pcs./min, We also supply chain welding machine, chain calibrate machine, chain tensile test machine and chain heat ...