reefer cargo meaning in English

冷藏货物,冷冻货物

Due to special reason , our reefer cargo did not reach the setting temperature . please allow below cargo to gate - in terminal
我司以下出口冷箱因故温度达不到设定点。请先予以进港。
Remark : this guarantee letter is only applicable to reefer cargo when actual temperature & setting temperature differs within 6c and meanwhile , with carrier approval for acceptance
备注:本保函仅限于冷冻箱实际温度与设定温度差额小于等于6摄氏度且及经船公司盖章确认，否则视为无效