Our company have supplied DFHB GRP relining pipes DN1300 PN1 SN10000, totally 315meters for the projiect DC/2012/10 Rehabilitation Works for the trunk sewers at To Kwa Wan Road.The DN1300 pipes have been installed to the old Concrete pipe DN1500 by the Contractor Insituform Asia. This project is the first time to achieve the old pipe repair with water operations in Hongkong. The Owner and The Contractor are very satisfied with our DFHB GRP pipes, and said it would be used widely in similar projects in the future.