[The Canal, China's super-large-diameter shield machine, is put into use]The "Canal", a mud-water balance shield machine with the largest diameter domestically developed, designed and manufactured by China, was put into use in the Beijing East Sixth Ring Road Transformation Project recently. The "Canal", a super large-diameter shield machine tailored for the reconstruction of the East Sixth Ring Road, consists of a cutter head, a shield body and 5 sets of trolleys, with a total weight of about 4,500 tons. Editor/Xu Shengpeng
On April 29, 2026, the Chongqing Guizhou Back to Back Interconnection Project (Guizhou side) started construction in Xishui, Zunyi. Southern Power Grid invested 580 million yuan and plans to put it into operation in June 2027. The project involves the construction of 87.9 kilometers of transmission lines and 179 iron towers, connecting the national and southern power grids. The project is located in the mountainous area of northern Guizhou, and needs to overcome karst geology and 352 crossing difficulties. After being put into operation, it will meet the annual growth demand of 6.4% and 7.8% of the load in Chongqing and Guizhou. Editor/Cheng Liting
On April 27, 2026, the cumulative sales volume of natural gas in the Sichuan Chongqing exploration area of Daqing Oilfield has exceeded 5 billion cubic meters, reaching 5.03 billion cubic meters, and the daily gas production has remained stable at 5.7 million cubic meters, injecting strong momentum into the construction of the Chengdu Chongqing economic circle and national energy supply guarantee. Editor/Cheng Liting