If you want to work with development in China Yunnan Institute of Development is a good place to learn. You will get hands on experience in local projects in Yunnan, mainly working with minority people.

You will get the chance to learn Chinese or improve your Chinese, get to know about living conditions for Chinese people, learn more about NPO's and NGO's in China.
After training you can work with clubs and preschools for mainly minority children, Malaria and HIV/AIDS prevention, health, farming, environment and other topics.
Read more: www.volunteerchina.org