... age, modifier and other materials, PVC is made through refining and calendaring. After coating, the gypsum board becomes light, insulated, warm, ... water-proof, fire-resistant and convenient to use. Gypsum board PVC coating, rich in specification, color and design, can be ... pressure 5. Electric hoist 6. Transducer speed regulator 7. PVC coating 8. Automated cutter 9. Dust collector 10. Automatic ...