[] _pvc Pvc double wall corrugated pipe wall corrugated pipe which _ ho-ho-management provided by the pipe industry. Ho-Pipe Co., Ltd., Zhengzhou (www.zzhtgy.com) had been "Business League certification", please rest assured purchase through the entire network, click on the page check "Business League certification icon," the company authentication information. You can also click on the "Business League Service Icons" on this page directly contact our customer service! Zhengzhou, Henan Haotong Pipe Co., Ltd., is the Central Plains municipal drains relatively large double-wall corrugated HDPE pipe manufacturer is one of the plastic pipe plus strip. Underground drainage steel reinforced spiral corrugated pipe with high-density polyethylene (PE) as matrix pvc double wall corrugated pipe little knowledge of the strip surface coated with an adhesive resin is molded into a waveform as the main support structure, and with polyethylene wound composite material integral double-wall spiral bellows. Materials used include polyethylene, steel, resin bonding. Zhengzhou, Henan Haotong Pipe Co., Ltd., is the Central Plains municipal drains relatively large double-wall corrugated HDPE pipe manufacturer of low-cost engineering, construction and quick. The main material is high density polyethylene corrugated pipe pvc double wall corrugated pipe which, in the same load of construction requirements, only half the thickness of the pipe wall on the general quality of the project could meet the demand, so whether it is still in the construction process the project cost has a higher cost.