... years industry experience Product No./NameJJ-00018 / High temperature teflon coating baking tray of aluminum die castingManufacture Process1) Mould/ ... TPE, HDPE, PMMA) etc.5) Surface Treatment: High quality polish, powder coating, Chrome/Nickel/Zinc(white, blue, yellow, black)plating, ... : +/- 0.0005inch, also accord with GB6414 High temperature teflon coating baking tray of aluminum die casting