POLYTECH START EXTRUSION MACHINE BUSINESS SINCE 1997, WITH EXPERENCE MORE THAN 27 YEARS FOR EXTRUSION MACHINE PROCESSING AND PROJECT SOLUTION. WE HAVE ADVANTAGE FOR UPVC ROOF MACHINE, PC HOLLOW SHEET AND PC ROOF SHEET MACHINE, WPC BOARD AND WPC PROFILE MACHINE, PP HOLLOW CONSTRUCTION FORMWORK BOARD MACHINE , ETC. WE OFFER WHOLE SOLUTION PROJECT FOR ALL CUSTOMERS. WE HAVE SERVICE TEAM IN ISTANBULE SINCE 2019.