Fight to produce 10.7 million tons of steel this year!

为今年生产1070 万吨钢而战!
Wei jinnian sheng chan 1070wan dun gang er zhan!
Fight to produce 10.7 million tons of steel this year!
1958, September
Shanghai renmin meishu chubanshe (上海人民美术出版社)
77x53 cm.
BG E40/45

The text above the clock:
分秒必爭
Fenmiaobizheng
Seize every minute