Steps to install road humps:

Step 1: To gurantee the life span of the road hump, workers should smooth the road first before fixing.

Step 2: Put the road humps in a straight line.

Step 3: Drill through the holes of the road humps into the ground until 12cm deep.

Step 4: clean up the holes and remove the dust, oil and debris from the holes.

Step 5: Knock the screws through the holes until the screws expand completely to make the road humps firmly installed.