1. color uniform 2. can be produced in various sizes 3. we own the quarry 4. ISO9001:2000 certification 5.grey granite low price, high qualitygranite monument,tombstone, grave stone, head stone1.Professional monument/tombstone manufacturer2.Various designs availabe in European , American and Japan styles3.Various material available4.Color: Black, brown, red, pink, grey, blue, green etc5. ...