A workshop or factory building. "History of the Ming Dynasty eunuch, two Liang Yong": "Jiangxi Fuliang Jingdezhen mine supervisor Pan Xiangji revolt, incineration plant." "Twenty years to see the strange situation" the first 28 times: "his shop, in addition to facade, monopoly copper, iron parts, there are factories behind, with the number of craftsmen, making their own machines."."