要约人 offeror ; Bright Day Limited ; Dragon Peace Limited ; promisor

受要约人 offeree

有意要约人 potential offeror

要约人发价人发盘人 offeror

承诺需要通知要约人 acceptance must be communicated

并及时通知受要约人 Assent to the late acceptance

要约人支付赏金 Offeror makes payment