Correct

执牛耳

/ zhí niú ěr / 
Strokes

Example

As a Verb

be the acknowledged alliance leader who holds the plate on which lie the ears of a sacrificial bull—hold supremacy (in); occupy a leading position; be in the first place; lead (in a certain field); be in charge or control; dominate; hold power

1
Zài
在
xìnxī
信息
chǎnyè
产业
dúzhíniúěr
独执牛耳

achieve/establish a sole supremacy in the IT industry