HAIKOU, June 8 (Xinhua) -- South China's island province of Hainan will unveil a plan to implement mandatory household recycling rules by 2020, local authorities said Saturday.

Hainan will promote household recycling by legislation and endeavors to achieve a waste recycling rate above 35 percent by 2021, according to the provincial department of housing and urban-rural development.

Hainan mainly disposes of household garbage by sanitary landfills and incineration. The province has built 21 domestic waste disposal facilities, including 16 landfills and five incineration power plants.

The province has also set up 253 domestic waste transfer stations and 12,500 garbage collection points.

Over 95 percent of the villages in Hainan have been equipped with garbage collecting and transferring facilities, and the number of cleaners in the villages has reached 19,000.