They looked like cheap than others but they are very costly. They earn for pipes, they are fraudsters, Not punctual, not expert. My advise is to dont afford at least 5 pvc pipe.. They charge rs 160/ft. But in reality, it will cost rs. 80/ft and the plumber can make a hole and set it. They just put that pipe with hands. So plumber is enough and you will save a lot. We compromised the feet digging because of their charges for 5 pipe. So dont listen them if they say, we found a gravel stones /something at this feet, you must put 5 pipe... at that time just say okay and make it with plumber.