‎مصنع بكرات||Factory reels‎ on Instagram: "Inside the Machine: How a JWELL Line Makes PVC Profiles A JWELL extrusion line transforms raw PVC compound into finished profiles for windows, doors, and more. It’s a fully automated process of precision engineering. It starts by feeding PVC powder into a conical twin-screw extruder. The screws melt, mix, and compress the material under controlled heat and high pressure, creating a uniform plastic melt. This molten PVC is forced through a custom-shaped