... 2.Strict QC system 3.Steady quality competitive pric Absolute black Monuments, ShanXi Black tombstones and Wonderful color monument ... Classico, Himalaya Blue, Bahama Blue, Juparana Colombo, Tropical Green, Absolute Black, G682, China tropical green, Juparana China, Blue pearl, ... ControlPolished degree: Above 90 degree Thickness Tolerance: +-1mm Absolute black Monuments, ShanXi Black tombstones