How many years has Zhang Zuolin ruled the three northeastern provinces?

Zhang Zuolin ruled the three northeastern provinces for ten years, from September 1918 to June 1928. In 1918, Zhang Zuolin seized the Japanese ordnance directly purchased in Qinhuangdao to expand his military service. Entering the customs supports the "unification of force" of Anhui department. He was appointed as an inspector in the three northeastern provinces. In September, 1918, he was appointed as an inspector in the three northeastern provinces, and took advantage of Japan's power to control the three provinces of Bong, Kyrgyzstan and Hei, becoming the leader of Bong. Because Zhang Zuolin refused to meet the unreasonable demands of Japanese imperialism, such as "mining, setting up factories, emigrating and building ports in Huludao", at 5 o'clock in the morning on June 4, 1928, when Zhang Zuolin was on a special train returning from Beijing to Fengtian and sailing to bridge opening, the junction of Beijing-Fengnan-Manchuria railway near Huanggutun, it was blown up by a bomb buried in advance by the Japanese Kwantung Army, and he died on the same day after being sent back to Shenyang's official residence, at the age of 53. This was the "Huanggutun car bombing case" that caused a sensation at home and abroad at that time. In December, Zhang Zuolin's son, Zhang Xueliang, issued a telegram, announcing that the three northeastern provinces and Jehol Province were subject to the Nanjing National Government, which was the "Northeast Change of Signs" in history.