... professional manufacturer of siphon,drainage,ground source. HDPE ELECTRIC Fused tube Pipe Fittings Black HDPE pipe is good for anti-UV ... be made into any length,can be flexible layout,save tube.• PE pipe installation can be weld or fused to a ... to install,transport,connection,sonstruction convenientand reliable.• Good flexibility,small tube can be winding,pipe can be meandering along the ditch ...