据《宋史》、《元丰九域志》、《嘉靖建宁府志》记载,“丰国监”始建于北宋咸平三年(1000),至南宋绍兴三十六年(1156)停铸,历时156年,是北宋初四大钱监之一。北宋熙宁间(1068—1077)全国计有十七监铸铜钱,每年共铸百万贯,二十万贯铸于建州(今建瓯)“丰国监”;大观年间(1107—1110)江、湖、闽、广计有十监,每年铸铜钱 According to “Song History”, “Yuanfeng nine domain records”, “Jiajing Jianning house” records, “Feng Gu supervision ” was built in the Northern Song Dynasty Xianping three years (1000), to the Southern Song Dynasty Shaoxing thirty-six years 1156) stop casting, which lasted 156 years, is one of the earliest four money supervisors in the Northern Song Dynasty. Between the Northern Song Dynasty and Xi-ning (1068-1077) There are a total of seventeen supervised cast-iron coins throughout the country, with a total of one million Guan-casting castings each year. Two hundred thousand castings were cast in Jianzhou (now Jian'ou) and Fengguo-jian -1110) Jiang, Lake, Min, Guang Ji ten supervisors, cast bronze money each year