3 million cubic meters. According to the annual supply data of natural gas in Bengbu, it is known that the annual supply of natural gas in Bengbu is 3 million cubic meters. Bengbu, referred to as "Bengbu", is a prefecture-level city under the jurisdiction of Anhui Province. It is located in the Yangtze River Delta in the east of China, in the northeast of Anhui Province, in the middle reaches of Huaihe River, with Suzhou and Huaibei in the north, Huainan and Chuzhou in the south, Chuzhou and Suqian in Jiangsu Province in the east and Bozhou and Huainan in the west.