We would like to apply for Chinese 2 single entry visas as we fly into Beijing on 15/10/16

and then we embark Princess cruise ship on 17/10/16 and cruise back to Australia. However we are going to be in Queensland without our passports until 27/9/16 and then in Sydney for 1 week before we go to Melbourne. How can we arrange to get a visa within that week and how will it cost?