Correct

到顶

/ dào dǐng / 
Strokes

Example

As a Verb

reach the highest point; reach the acme/zenith/pinnacle; can't be better

1
Yào
要
pòchú
破除
zēngchǎn
增产
dàodǐng
到顶
de
的
sīxiǎng
思想
  
。

We must get rid of the idea that the maximum output has been reached.