ST52 Concrete Pump Pipes , Concrete Delivery Pipes Powder Painted Baked Surface

kcp,Sany, Zoomlion etc. DN125 (5") 4.5mm More than 12thousand cbm DN125 (5") 5.0mm More than12thousand cbm DN125 (5" ) 6.0mm More than 20 thousand cbm Heating pipe (45MN2/55MN) DN125 (5" ) 4.5mm More