Plastic Board Extrusion Line, Plastic Sheet Extrusion Line, Plastic Profiles Extrusion Line manufacturer / supplier in China, offering Two Cavities Plastic Angle Protection Profile Extrusion Mould / PP Corner Bead Profile Extrusion Mould, PP Angle Protection Profile Extrusion Mould / Plastic PP Corner Guard Profile Extrusion Mold, 4 Cavities Plastic Drywall Corner Bead Profile Extrusion Mould / PE Angle Protection Profile Extrusion Mould and so on.