im going to hongkong on july and planning to go in china after 3 days of stay in hongkong. but i wanted to get visa here in the phil instead getting it in hongkong. what are the requirements i need?, i already have letter of invitation. how much the china visa cost for only 3 weeks? do i have to renew my passport coz its exiration is on december 2009? plS REPLY ASAP!! THANKS!