... lines, 76 lines, 90 lines, 100 lines. plastic extrusion 3d extruder 3d roller 1,Grating design has: 60 lines, 76 lines, ... 90 lines, 100 lines. Exclusive agent in Japan imported roller, pictures for ... in Japan imported roller, pictures for reference, according to the project. 3d pp extruder3, PP, PET 3d plastic extrusion is our independent development ...