Do I need Double-Entry Visa or Single-Entry Visa?

I am Indonesian who is working in Singapore. I'm going to Quangzhou and Guilin next September. Have bought ticket from Kuala Lumpur to Quangzhou and from Guilin to Kuala Lumpur. Thinking to visit Hongkong and Macau too. So, i will land in Quangzhou, then will visit Hongkong/Macau. From Hongkong will go to Guilin. May I know which visa type is required for me? Single or Double entry?
Thanks so much, looking forward to your reply... :)