1. Materials: domestic materials and imported materials. 2. Thickness: 2cm, 3cm or laminated 2+2cm .3. Thickness tolerance: ±1mmSize. 4. Polishing degree: Minimum 90 . 5. Size: 98"x25"/26", 108''x25"/26'', 108''x36'' are common; customized sizes are also available. 6. DegreesFinish: polished, eased, bull nose, ogee, flame-treated, hone finished and so on. 7. Package: Products padded with foamed plastic and packed in fumigated wooden crates