Buried and Mouthpiece are obvious stand-outs at this year's festival, but there are other gems in the programme as well:
As the title suggests, the 47-minute piece examines a private eye roaming cities collecting proof of infidelity for his clients, with his work revealing the state of matrimony in China.
A look at the tragic consequences of Mao Zedong's 1960s campaign of sending intellectuals to work in the country's hinterlands by tracking a man's melancholic homecoming to Beijing, 40 years he left the capital for 're-education' in rural Yenan.
Workers brave toxic fumes and other hazards as they dismantle metal and electronic junk - a damning critique of how the government lets foreign countries use China as a rubbish dump.
No Tears in Three Gorges
Liu Gujun is a fisherman who strives to clear the debris produced by the Three Gorges Dam project.
Dream on the Wall
The film follows Jilin schoolchildren as they interview community leaders and officials in a campaign to draw a mural celebrating the crane migration route over the town.