<Tr> <Th> Official user (s) </Th> <Td> China (mainland) </Td> </Tr> <Tr> <Th> Unofficial user (s) </Th> <Td> Hong Kong Mongolia North Korea Macau Myanmar (in Kokang, Wa and Mandalay) Vietnam (border area) Zimbabwe </Td> </Tr> <Tr> <Th_colspan="2"> Issuance </Th> </Tr> <Tr> <Th> Central bank </Th> <Td> People's Bank of China </Td> </Tr>

Which of these currencies is used in china