1.Ceramic material, high temperature resistance 2.Factory direct, good price. 3.OEM welcome 4.Quick delivery. 5. ... test, like: SGS, FDA, CA65 etc.2) Low water absorption, temperature extremes3) Glaze durable4) Heat resistant5) Easy to clean after using6 ... ) Assorted shapes and colors available6.How we control the quality:1) Inspect the raw material, process, finished products ...