I want to visit Kunming city and Jinan city in China for 5 nights/6 days to meet my Chinese friends

In near future, I wish to visit Kunming city and Jinan city in China for 5 nights/6 days to meet my Chinese friends as well as for some business propose. So, how much I have to pay to the local Chinese travel agency/tour operators? I mean in US dollars and will Chinese travel agency/tour operators able to process my visa?