Alumina sheet is generally a whole roll of aluminum sheet, and it is difficult to control the color difference on a single sheet. For aluminum series, series 3 and 5 are recommended. Our company's aluminum veneer oxide sheet is about 4W/ ton, which fluctuates with the change of futures price. The minimum order quantity is 3 tons per roll. With 5 series 2.0 oxide plate as the column, the drawing is processed about 300 yuan/square.