cassette's material: 1.cold drawn square tube welding, high temperature paint 2.Alum zinc plate bending stitching 3.stainless steel plate bending welding more...
1. Material composition:special inorganic fiber substrate with inorganic binder processed into a honeycomb, special inorganic fiber surface contains a large number of hydrophilic hydroxyl groups and inorganic silicate through rigorous and complicated process to the chemical bond firmly solidified together, wi more...