65438+February 2023 to March 2024. According to the query of official website of Chengdu Gas Group Co., Ltd., the preferential period of heating natural gas in Chengdu is 65438+from February 2023 to March 2024. During this period, the verified secondary gas consumption of heating households increased from 50 1 to 660 cubic meters to 50 1 to 1860 cubic meters, and the charge was 2.27 yuan per cubic meter.