1.Material:Yellow grain sandstone 2.Surface Processing: Roughed-rubbing 3.Size:20*20cm, ... located in SHANDONG province of CHAIN.Where is rich in stone materials.We have limestone,sandstone,marble ,granit etc.We are ... in all kinds of stone processing, such as slab, tile, paver stone, curbstone, border, irregular shape, wall stone, cube stone, stone mailbox, stone bathtub and others ...