Adopting the advanced TEL process our Company produces glass wool felt in rolls, fine waterproof and fireproof high good rebound elasticit (veneering like reinforced aluminum foil can be applied) , providing an ideal heat preservation and sound absorption material for steel structure constructions. This product has the characteristics of good heat preservation and  sound absorption, low constructional cost, short cycle of works, nontoxicity, non-stimulation to the skin, guarantee to workers health and fine appearance.