Fine Porcelain Round Plate Material: Porcelain Application: Microwave, Oven, Dishwasher safe. Testing: SGS - LFGB / ... -quality technical developers. We develop large quantities of porcelain and ceramic products with novel models and graceful styles ... every year. These products include high-temperature porcelain products, top white porcelain series, middle-temperature ceramics, color glaze series ...