[经] acknowledgement of right to production

chéng rèn yoǔ yāo qiú tí gōng qì jù zhī quán lì ㄔㄥˊ ㄖㄣˋ ㄧㄡˇ ㄧㄠ ㄑㄧㄡˊ ㄊㄧˊ ㄍㄨㄥ ㄑㄧˋ ㄐㄩˋ ㄓ ㄑㄩㄢˊ ㄌㄧˋ