证明原产地单证

[经] documentary evidence of origin

zhèng míng yuán chǎn dì dān zhèng ㄓㄥˋ ㄇㄧㄥˊ ㄩㄢˊ ㄔㄢˇ ㄉㄧˋ ㄉㄢ ㄓㄥˋ