[经] manufacturer's inspection certificate

chǎng jiā jiǎn yàn zhèng míng shū ㄔㄤˇ ㄐㄧㄚ ㄐㄧㄢˇ ㄧㄢˋ ㄓㄥˋ ㄇㄧㄥˊ ㄕㄨ