instruction of PVC plastic profile production line
PVC corner protection strip production line, PVC plastic profile production line PVC corner protection strip production line and PVC plastic profile production line have the following advantages: 1. Extrusion by twin screw main engine, 2. Four out of one mold, four corner protection strips can be extruded at the same time, 3. Electromagnetic heating, power saving, energy saving, 4. The equipm