... delivery time and after-sale service. 1, product name: Green porphyry 2, Available sizes (mm):tiles: 305x305, 400x400, 300x600, 600x600, 600x900 ... , Bollars, Columns, Curbstones, Paving stones, Cubes, Mosaic & Borders, Sculptures, Tombstones and Monuments 6, Product photos: Green porphyry A Green porphyry B Other products