I'm from the Philippines, what are the requirements for tourist visa? How long is the processing time?

Good day. I'm from the Philippines. I just wanna ask if what visa should i need to apply.. I have American friend who invited me to meet him in Shanghai..He will be there in Shanghai next week to work for 3 months..He will shoulder all the expenses. What are the requirements we both have to give. How long is the processing time? How much ? I hope that you can help me out with this one. Thank you so much.