2.7 to 2.8 tons. Fuding black stone 2.7 to 2.8 tons per cubic meter. Fuding, located in northeastern Fujian Province, is a county-level city under the jurisdiction of Fujian Province, administratively subordinate to Ningde City. It is the gateway to Fujian and Zhejiang, and the key to Wuyue. Southeast of the East China Sea, northeast of the boundary of Cangnan County, Zhejiang Province, northwest of Taishun County, Zhejiang Province, west of Zherong County, south of Xiapu County.