Price increase. 2022 from December Nanjing gas fee is increased, Nanjing Municipal Development and Reform Commission issued a "notice on the adjustment of civil pipeline natural gas sales price related matters" decided since December 1, 2022, Nanjing civil pipeline natural gas sales price will be adjusted, which civil pipeline natural gas the first, second, and third ladder sales price from the original 2.5 yuan / cubic meter, 3 yuan / cubic meter, 3.5 yuan / cubic meter up to 2.73 yuan / cubic meter 3.28 yuan / cubic meter, 3.82 yuan / cubic meter, 3.82 yuan / cubic meter. cubic meter, 3.5 yuan / cubic meter up to 2.73 yuan / cubic meter 3.28 yuan / cubic meter, 3.82 yuan / cubic meter.