The song dynasty Maintain kwai ears melon leng bottle mouth

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maintain is five broke Zhou Xiande early burn, the from the river of the north house renamed zhengzhou (1953). There was suitable for making pottery, and because the sejong name of wood, so the name. At that time, also called imperial up, starting from the song dynasty was called. Maintain the porcelain to as day, bright as a mirror, thin as paper, sound like the qing, moist fine mei have the appearance of fine lines, pure color vision, as the ancient up to the crown.