concrete pipe production line of BAOLAI Brand: 1.This machine can produce the pipe diameter from 200-800mm,pipe length from 2-5m.2.operate simply,work steadily,reliable and durable in use and low fault rate.3.can produce flat mouth,socket mouth and groove mouth ones4.Application:Irrigation,Highway culvert,Draining off water of Municipal administration5.perfect pre-sales,mid-sales and after sales service,we have professional engineers to help you setup the machine.6.spare parts and easy-damaged parts are for free. Enjoy Baolai brand machine,enjoy best quality and reliable reputation allover the world. pls don't hesitate to contact us. thanks