[Class : 7] Machineries And Machine Tools Such As Twin Screw Conical Extrusion Line For Pvc Pipe, Twin Screw Conical Extrusion Lines For Cpvc Pies, Twin Screw Parallel Extrusion Line For Pvc Pipe, Single Screw Extrusion Line For Hdpe And Ppr Pipes, Online / Offline Pvc And Pe Pipes Socketing / Belling Machine, Pvc / Wpc Foam Board, Sheet Extrusion Line, Flat And Round Latera...