The following documents are required for tourist visa application
1. One completely filled out visa application form. No item should be blank .
2.One recently taken 2X2 inch photo showing entire face and without a hat on. Please affix the photo to the application form.
3. Original passport with at least 2 blank visa pages and valid for at least 6 months beyond the date of application.
4. Round trip airline ticket and hotel reservation. Application for visiting family or friends should provide certificate of relationship.
5. Non-Singapore citizens shall provide documents that entitle them to reside for an extended period of time in the Singapore, such as a PR, WP, EP, STP, DP. Temporary visitors to Singapore should apply for a Chinese visa in their own country. For the special case, the visa officer has the rights to make the final decision on whether issuing a visa or not.
You can't get the visa within the same day.

Hi

If foreigners (Indonesian Chinese) who come to singapore for social visit and will be travelling to china from Singapore. Do they allow to get a china visa in singapore china embassy? Thanks

Temporary visitors to Singapore should apply for a Chinese visa in their own country. For the special case, the visa officer has the rights to make the final decision on whether issuing a visa or not.