... Tianshan red, Surf white, Black pearl, Leopard skin, butterfly blue, Shanxi black, Mogolia black, China black, Hainan black etcQuality ControlStrict inspection, send the ... machines include CNC Water Laser, Cutting Machine and Thickness Control Machine. They ensure to cut the exact dimension and ... accurate and good before shipment. 5. The Quality Control. The quality includes three steps. First is to ...