Jinan OKNA machine co.,ltd is a professional manufacturer of win-door machineries.We are capable of providing more than one hundred products,which mainly fall into two categories:1.PVC win-door processing machines :from cutting-welding-milling-corner cleaning ,the whole production line.2.Aluminum win-door and curtain wall processing machines :from cutting-welding-corner crimping-milling-punching ,the whole production line.Adopting European standards, we focus on every detail in material purchase,production,distribution and after-sale service. For years supplying high quality products has earned us a good reputation among customers both domestic and abroad like U.S.A.CANADA,NEPAL.KAZAKHSTAN,RUSSIA,VIETNAM ETC.We sincerely hope we can build a bright future with our mutual efforts.