In 2022, the Company continued increasing input in science and technology innovation, sought breakthroughs in key and core technologies, beefed up frontend basic research and further deepened the reform of the science and technology system and mechanism to enhance innovation in supporting and leading the business growth. In upstream, breakthroughs were made in the exploration and development theory for deep and ultra-deep oil and gas as well as shale oil and gas. In refining, we realized scaled-up test production and application for bio-jet fuel. In chemicals, the scaledup production of large tow carbon fibre was achieved, and POE and polybutene-1 pilot units were commissioned in one shot with on-spec products. In addition, the wet oxidation process for sulfurcontaining waste alkali fluid for mega ethylene crackers was industrialized. The complete set of software for online real-time optimization (RTO) of S-Zorb unit was put into operation successfully. In 2022, the Company filed 8,687 patent applications at home and abroad with 6,289 granted. The Company also won one gold award, one silver award and four excellent awards in China for patents.