... 60 lines, 76 lines, 90 lines, 100 lines plastic extrusion extruder 3d roller 1,Grating design has: 60 lines, ... imported roller, pictures for reference, according to the project. plastic extrusion 2,Grating design has: 60 lines, 76 lines, ... PET 3d plastic extrusion is our independent development, design, optimizes project products. 3d plastic extruder4, From products graphic design to product line ...