Double-sided Wulstumlage joint treatment makes the joint of galvanized steel sheet and fabric denser and more securely. All kinds of shockproofing can be made in this way.

• 双面凸缘卷边接合处理使镀锌钢板与织物之间的接合更加密实和牢固，各种避震都可用这种方法处理。