Correct

包工

/ bāogōng / 
Strokes

Definition

to undertake to perform work within a time limit and according to specifications/to contract for a job/contractor

Example

As a Verb

contract for a job; work on contract

1
Bāogōng
包工
hétong
合同

contract labour agreement

2
Bāogōng
包工
jiànzào
建造
fángwū
房屋

contract to build a house

As a Noun

labour contractor