How to take a bus from Chongqing to Chumi?

Take the Chumi Town People's Government, take the D 1875 train, and finally take the bus. According to Baidu map, walk 320 meters from Chongqing Municipal People's Government to Zengjiayan Station, take Rail Transit Line 2 (in the direction of Fish Cave), get off at Xiejiawan Station after 6 stops, get off at Chongqing West Railway Station after 6 stops (Exit 2), walk 3 10 meters to Chongqing West Railway Station, take train D 1875 and take Tongzi North Station.