 During the Ming Dynasty (1368–1644), Hua Sui in 1490 used bronze type in printing books.In 1574 the massive 1000-volume encyclopedia "Imperial Readings of the Taiping Era" (《太平御览》/《太平御覧》) was printed with bronze movable type.In 1725 the Qing Dynasty government made 250,000 bronze movable-type characters and printed 64 sets of the encyclopedic "Gujin Tushu Jicheng" (《古今图书集成》/《古今圖書集成》, "Complete Collection of Illustrations and Writings from the Earliest to Current Times").