... mining, high-pressure oil tubing, waterproof plate, and rubber fender, rubber waterstop belt,etc.Corner/Angle beadsAngle Beads can form straight edge ... part of the plaster.1.Raw materials: galvanized plate, stainless steel plate, aluminum plate, copper plate, PVC grids, fiber grids etc.2.Hole shape ... , machina protecting, handcraft making and window screen substitute. stainless steel plate