Chinese metal fasteners output totaled 6,389,221 tons in 2013, seeing a slight increase of 7.53% year-on-year. In December, the output of metal fasteners grew by 19.22% year-on-year to 617,274 tons. The three largest provinces of metal fasteners output were Zhejiang, Hebei and Sichuan, producing 2,067,948 tons, 1,179,624 tons, and 700,386 tons respectively in 2013.