The Erqi Memorial Tower, or Erqi Tower () is located in Erqi District, in the centre of Zhengzhou city, Henan province, China. The tower is 63 meters high and has 14 floors. It was historically the tallest building in Zhengzhou until 1976.
The tower serves as a memorial to the Great Strike of February 7, which occurred on February 7, 1923. The tower is built at the location where the strike leaders were executed. The current Erqi Memorial Tower was completed on September 29, 1971. It was preceded by a wooden tower built in 1951, which had collapsed in 1971.
In May 2020, it was announced that the square surrounding the tower would be enlarged to , and that an adjacent building, the Friendship Mansion (), a 20 story building, would be downgraded to 6 stories in height. This plan will be carried out to better highlight the tower.
The tower stands in . It is made from reinforced concrete, and is done in a Chinese architectural style. The tower's shape, two pentagonal conjoined towers, is meant to commemorate the striking workers of the Erqi Strike, who went on strike while building the BeijingâÂÂHankou railway. At the top of the tower is a five-pointed red star and a 2.7 meter clock below. The clock plays the Chinese revolutionary song The East Is Red every hour. The tower displays various historical relics, pictures, and written materials about the strike.