Stainless steel heat preservation and thermal insulation is the combination of
stainless steel heat preservation nail plate 2. 5 cm, turn the edge of the hook, nail size 1. 8 mm, lock plate, which has two kinds of 25 and 30. Used for fastening rock quilt. First insert the nail tip rock quilt, nail tip penetrates the rock wool. With a lock plate rock quilt pressure. Nail screw hooks and rock quilt flat, take turn with wire hook the end and turn to another stainless steel nail hook to entangle. Such heat preservation quilt is fastening is very strong.