ATON ------Chinese Top Brand Package: PE Film We offer: frame, sash, mullion, double glazing bead, single glazing bead, bead, door sash, door panel, connector, curved corner etc. Product Advantage: Environmental protectivesound insulation , dustproof ,produced with lead-free technology Energy savingnice heat preservation, airproof and waterproof. Aging resistantpassed the test of 6000-hour aging resistance. Attractive design and high quality standards with perfect performance.We sincerely hope to be of service to you soon.