Introduction of a blue and white porcelain Also known as white, blue and white porcelain, often referred to as the blue and white, is the main varieties of Chinese porcelain. The original blue and white in the Tang and Song is emerging, mature blue and white Yuan Dynasty Jingdezhen Hutian appeared pit. Blue and white porcelain with cobalt oxide is used as the raw material of cobalt ore, painted decoration on the ceramic green body, and then cast a layer of transparent glaze, firing a high temperature reducing flame. Two characteristics The so-called blue and white is white porcelain with cobalt oxide material in the painted decoration on the prime child, then cover with a transparent glaze, with temperatures around 1300'C from refining, which should include five elements: 1high temperature firing of white porcelain body bone Suji jade; 2 high-temperature transparent glaze; 3 blue and white raw material for cobalt oxide; 4 brush dipped in cobalt oxide painted decoration on the porcelain body; 5 painted decoration of the carcass on a good glazing, firing a high temperature glaze color.