grey granite kerbstone item:grey kerbstone, G341 surface finishing:flamed origin:shandong,china grey granite, we own the biggest quarry of G341, 10,000 cubic meters output per month, we can supply big amount of kerbstones, cubes, steps, wallings…finishing can be flamed, bushhammered, polished, honed customer’s requests. Good for processing kerbs and paving tiles