More amazing, perhaps, than the advance in decorative technique is the existence, as early as the mid-second millennium BCE, of foundries that could handle such monumental castings as the fang ding (cat. 22). Nor was this rectangular cauldron, which weighs about 40 kilograms and is S2 centimeters high, entirely unique in its time: it was found, in a shallow pit at Qian village, Pinglu county, Shanxi Province, with two round ding vessels, each about 70 centimeters high.