Recently, the association organized a special exchange seminar for the member units of two carbon reduction and energy saving technology - cement industry kiln waste heat recovery technology, member units invested hundreds of millions of yuan, devoted to research and development for several years, has successfully completed the pilot test, can be promoted to the country. This technology can significantly reduce electricity consumption and increase production capacity by more than 15% without changing the existing process by adding or changing some facilities, which can contribute to China's carbon peak and carbon neutrality.