Above them, photos were hanging, and below them was a slogan: Great ideas, invincible in battle!,When Li Yuan heard this, he was taken aback for a moment before shaking his head and saying, "Director Tang, thank you for your invitation. However, I'm a worker at the rolling mill and I still hope to continue working here.",Even for ordinary citizens of the capital, before the issuance of five-year promissory notes in 1955, commodity circulation was relatively smooth. Chicken, duck, fish, meat and flour were all available to those who had money.。