【通力合作】〖tng lì hé zuò〗[act with united strength; cooperate with a common effort; everybody pitching in for common work; give full cooperation to]

通商惠工富强农，

力济九区振国营。

合胆同心腾公有，

作金石声倡大同。

不分彼此，一齐出力。Not divide each other,  make great efforts together. 同：逼上梁山、合情合理。反：名行其事、不近情理。