drainage pipe china

we have drainage pipe china, if you need our products,we can supply to you.
http://www.tongdapvcpipe.com/html/PVC-Drainage-Pipe-Factory-1378.html
It is widely used both at home and abroad as it is an easy and reliable coupling without any complex fitting, and replaces the concrete pipe and cast iron pipe. At present, PE double wall corrugated piping is being used extensively to ensure the development of environmental protection during networking of water and sewerage.

drainage pipe china

We supply the double wall corrugated pipe extrusion line with the production of diameter 90mm upto 1500mm.


*Special structure die make the thickness of the interior and exterior wall even, and stable molding.In addition, the thickness of interior and exterior can be adjusted. 
*With special and accurate forming module;Cooling air and water system guarantee the production speed fast.With belling inline system. 

*With special aluminum alloy mould bolck with anti-adhereing treatment, cooling air, cooling water and vacuum channel inside of mould block ensure good forming structure of pipe and speed.