Standard cash (traditional Chinese: 制錢; simplified Chinese: 制钱; pinyin: zhì qián; Manchu: ᡳ
ᠵᡳᡴᠠ; Möllendorff: Durun i jiha), or regulation cash coins, is a term used during the Ming and Qing dynasties of China to refer to standard issue copper-alloy cash coins produced in imperial Chinese mints according to weight and composition standards that were fixed by the imperial government.[1] The term was first used for Hongwu Tongbao cash coins following the abolition of large denomination versions of this cash coin series.