Hot Air Seam Sealing Machine be used to make Nylon-PVC, nylon-PU, high-class rain coats, wind coats, snow-suits, tents, military ... Hot Air Seam Sealing Machine:1. Specification of Hot Air ... application of Hot Air Seam Sealing Machine Nylon-PVC, nylon-PU, high-class rain coats, wind coats, snow-suits, tents, military waterproof ...