1925年2月8日至16日,四方机厂工人在中共青岛支部的领导下,利用胶济铁路全线罢工的有利时机,举行了为期9天的全厂大罢工。在庆祝罢工胜利大会上,宣布成立四方机厂工会和胶济铁路总工会。史称“二月大罢工”。1925年初,北洋政府交通部和胶济路局内的江浙 From February 8 to February 16, 1925, under the leadership of the Qingdao branch of the CPC, the workers of the Sifang Machine Factory held a 9-day strike at the whole plant using the favorable opportunity of strike across the board in Jiaoji Railway. In celebrating the strike victory meeting, announced the establishment of the Sifang Factory Labor Union and Jiaoji Railway General Union. History called “February strike”. In early 1925, Beiyang government transport department and Jiaoji Road Bureau of Jiangsu and Zhejiang