Here is a reference video:
Step by step instructions to create and view the subcontractors
Click on setting from left menu
Go to All setting
Click on Subcontractor List to view the subcontractors
Click on Subcontractor Manage to create the subcontractors
Click on to edit subcontractors
Click on to delete the subcontractors
Click on top right blue button to create new subcontractor
Add new Subcontractor
Fill up the subcontractor information section
Fill up the contact information section
Maintenance setting information section is optional. Click to fill up
Click on Save button to save the subcontractor