GE Hiro-san,
?Sorry for late reply, of course there are some Chinese expressions for greetings
?Here I have a list
?Hello/Hi: ZAOAN(早安)/ZAOSHANGHAO(早上好) (Used for morning, GM)
????????????? WUAN(午安)/XIAWUHAO(下午好) (Used for afternoon, GA)
????????????? WANHAO(晚好)/WANSHANGHAO(晚上好) (Used for evening, GE)
????????????? NINHAO(您好)/NIHAO(你好) (Used for anytime, HI, what's more, NINHAO is more used for formal occasion, more official, like Nice to meet you or Hello in English. NIHAO is public used just like Hi in English)
?Thank you: XIEXIE(谢谢)/GANXIE(感谢)
?Goodbye: ZAIJIAN(再见)/BAIBAI(拜拜, much used in colloquial speech)/ZAIHUI(再会, HPE CU AGN, also can be used for BV/BY5 station who can also speak Hakka)
?I think that's enough for us to express greetings in local language
BH6BEZ Izumi