Located in the venue of the 10th China (Wuhan) International Garden Expo, the aerobiotic restoration project of Jinkou Landfill is the largest of its kind in the world, and one of the important supporting facilities of the garden expo.

Jinkou Landfill used to be the largest landfill in the city of Wuhan, South China's Hubei province. The landfill's earth has accumulated a large amount of heavy metals and water pollutants after many years' operation.

By applying the aerobiotic restoration technology into an area of 213,300 square meters in the landfill, including a total of 3.07 million cubic meters of living waste, Guohuan created a venue for the Expo; moreover, it provides a reliable technology for the treatment of old landfills.