Student elective study in china

My daughter got accepted by Beijing union college hospital for a 3 weeks attachment for her elective programme
She intents to stay for up to 19 days after her attachment to travel as a tourist

Which visa must she apply? What are necessary documents needed to produce for the application ?
She is now doing her medical study in Uk
Can she apply for the visa on line ?? Can the application be through China embassy in spore?