[经] carved-out production payment agreement
huà chū chǎn liàng zhī fù xié yì ㄏㄨㄚˋ ㄔㄨ ㄔㄢˇ ㄌㄧㄤˋ ㄓ ㄈㄨˋ ㄒㄧㄝˊ ㄧˋ
划出产量支付协议