... more than two sheets of glass between which one or multi-layers of PVB with strong cohesion is sandwiched under high tempered and pressure ... with CE, AS/NZS SGCC certificate.Building, window and door, high grade curtain wall, lighting, skylight, elevated floor, furniture,In accordance ... and aquarium etc.Pass Chinese Safety Glass Compulsory Certification (CCC) Three layers of Laminated Glass for Stairs