Russia overtook Saudi Arabia to be China's top oil supplier in the first two months of 2023, Chinese government data showed on Monday, as buyers snapped up sanctioned Russian oil at steep discounts. Arrivals from Russia totalled 15.68 million tonnes in January-February, or 1.94 million barrels per day (bpd), up 23.8% from 1.57 million bpd in the corresponding 2022 period.