... Over 12 years industry experience Product No./NameJJ-00018 / High temperature teflon coating baking tray of aluminum die castingManufacture Process1) ... PC, PS, PP, PVC, TPR, TPU, TPE, HDPE, PMMA) etc.5) Surface Treatment: High quality polish, powder coating, Chrome/Nickel/Zinc ... ...6) Tolerance: +/- 0.0005inch, also accord with GB6414 High temperature teflon coating baking tray of aluminum die casting