... The SP SERIES THREE-LAYER CO-EXTRUSION MACHINE specializes in producing plastic sheet of PP, HIPS, PE, PS, etc. The SP SERIES THREE- ... LAYER CO-EXTRUSION MACHINE specializes in producing plastic sheet of PP, HIPS ... , cloth, stationery, etc. SP-800C three-layer co-extrusion machine is designed by combination of mechanical, electrical and pneumatic components ...