The renovation of ancient porcelain can be divided into three types: Archaeological discussion, renovation, museum renovation, and business talks. Business talks refurbishment, as the name suggests, is the renovation of the broken and broken ancient porcelain as a whole, restoring its original and complete features so that it can be traded as a product. This renovation requires a high level of skills, it will be the destruction of objects to recover the cost of shape and color, but also to make its color, ornamentation and texture of a perfect vision results.

In March this year, Zhang Xingguo has more than 20 staff from the South Lake, Nanjing Province, antique archaeological discussion of colleges and universities in Wuhan, site of Changsha Tongguan kiln head into the in Caitaoyuan village Dingzi town of Wangcheng County, Zhang Yuelai let him dig several workmates and profitable: "mud hole, washing bath reservoir mud pit, pool, carriage sheds, baking oven, glaze cylinder, countertops are fully installed kiln were excavated out!"