Mao visits the Shanghai Steel Plant. For a similar image, see the 1970 poster "Chairman Mao's heart and ours beat as one". Both follow up on Jin Shangyi's 1969 painting "Chairman Mao inspects Shanghai Steel Plant no. 3 (毛主席视察上钢三厂).
The painting was created by a group of Shanghai artists, led by Chai Zushun and including Ha Qiongwen, Lei Tan and Liu Kemin. They are not mentioned in the poster impressum.
Print no. 8.3.153(1)28, second printing (October 1970).