This welding machines are following the most advanced GERMANY technology and our independent research development,which is the high efficient full automatic chain welding machine,use for the alloy steel wire chain welding production.The machine includes the chain transmission unit;rotating mechanism unit;preheating unit;welding unit;forging mechanism unit;deburring mechanism unit;resistance welding micro computer control system;PLC control system.The construction of this machine is very compact,with more safety and reliable working,high speed welding in full automatic,is the best choice for 100 grade chain welding production. http://www.autoweldingmachine.com/