... : 90 degree up; Thickness tolerance: +/- 0.5, +/-1mm4. Usage Mainly for hotels, restaurants, monumental buildings, such as the lobby, lobby walls ... finishes, can also be used to bar, help desk, billing, home decor, as well as the production of monuments, headstones, also ... Ms.Guo, my alibaba account is cn1000676895, i am waiting for your message. Chinese White Marble Stone For Hotel Floor