shandong haili pipeline technology co., ltd was built in 2013, covering an area of 10,000 square meters, with a total investment of 65 million dollars. now we have more than 24 sets of plastic pipe production lines, which can provide a wide range of hdpe pipes and pipe fittings, as well as provide pipe material research and development, underground pipe network design, etc.haili’s production line include pe water pipes, pe gas pipes, pe mine pipes, pe sprinkler/irrigation pipes, mpp electrical conduit pipes, pvc-u water supply pipes, pe steel-reinforced drainage pipes, glass fibre reinforced smc moulded plastic inspection chamber and domestic septic tank. these products are widely used in rainwater collection, sewage discharge, water supply&reuse, natural gas transportation and industrial fluid transportation. the haili pipe brand has emerged as a leader in the chinese pipe industry.