BEIJING — China is expected to recycle 350 million tons of waste resources including steel, nonferrous metals, plastic and paper annually by 2020, according to an official guideline.

The guideline was jointly released by ministries of industry and information technology, commerce, and science and technology.

China will develop a sophisticated system for renewable resources, said the guideline.

By 2020, China will use 150 million tons of waste steel, and 18 million tons of waste nonferrous metals annually, according to a plan included in the guideline.

The country also aims to recycle 23 million tons of waste plastic and half of all its waste paper by 2020 annually said the guideline.