Mr. Chang Jingxing is a descendant of the Northeast Army and the grandson of the famous anti-Japanese general Chang Enduo. He used to be honorary president of Zhang Xueliang Research Association, Northeast Military History Research Association, and chairman of the World Association for the Promotion of Peace for Overseas Chinese. I have been to Hawaii many times to meet with General Zhang Xueliang and take a group photo as a souvenir. For more than 30 years, he sponsored and published a large number of books of the Northeast Army. Such as Military History of Northeast China, Documentary Report of North China Crisis, Picture Album of General Zhang Xueliang, New Theory of Zhang Xueliang and the Northeast Army, Biography of Zhang Xueliang and the Northeast Army General, Zhang Xueliang and the 57th Army of the Northeast Army, Zhang Xueliang's Comments, Zhang Xueliang and the Northeast Railway Construction, Collected Works of Zhang Xueliang, General Zhang Xueliang's Handwriting and Collected Works of Zhang Xueliang. Collected Papers of Zhang Xueliang's International Academic Seminar, Pupils Corps of Northeast Army, Zhang Xueliang, the Last Witness of Showa History, History of Anti-Japanese War of Northeast Army in Fourteen Years, Dictionary of Northeastern People, Sparks in Rivers and Seas, Xi Incident and February 22 Incident, The Whole Story of Huanggutun Incident, Sixty Years of Literature and History, and New Construction of Northeast China, etc. Selected Works of Zhang Xueliang and the Study of Northeast Military History, Selected Works of Liu Mingjiu, Huanggutun Incident-Collection of Bombing Archives of Zhang Zuolin, Poems in Memory of General Zhang Xueliang, Comments of Zhang Xueliang, and September 22nd Anti-rape Campaign of the Eleventh Army Division in Northeast China.