... proof,waterproof,soundproof,sound-absorbing,light in weight and easy installation(3)For ceiling and wall decoration(4)The variety of ... and ceilingCertificateISO 9001:2000Proof light in weight and easy installationPayment 30%T/T in advance, 70% before the shipment; irrevocable L ... intensity, corrode-resisting, aging-resisting, can be used more than 30 years.3) The surface is clear and adhesive.4) For ...