Good quality chinaware pottery The coating and decorative beauty. Burned with a very high heat for about 1150-1280 degrees Celsius furnace and sintering techniques have been developed over the centuries. Since the beginning of the Sukhothai and Ayutthaya periods end. These furnaces are available in the district town. District and Si Sukhothai And along the river Breathe District Sing the form of a sum, due to a variety of decorative techniques and motifs with different coatings.