English to Chinese Other Management

China has surpassed the U.S. as the world's largest producer of waste. The economic powerhouse aims toChina has surpassed the U.S. as the world's largest producer of waste. The economic powerhouse aims to have 30 per cent of its waste treated by waste to energy technologies by 2030, and it is looking at investing massive resources to upgrading its waste infrastructureto energy technologies by 2030, and it is looking at investing massive resources to upgrading its waste infrastructure.

30 per cent of its waste treated by waste怎么理解呢？求教大家。