concrete pump pipe-concrete pump spare parts
Friday, 09 March 2018
by admin
The Concrete Pump Pipe is made of special quality steel which is quenched and carried out carburizing chemical treatment on the inner wall. The concrete pump straight pipe is made of special alloy steel ( 45Mn2). The inner pipe wall is case hardened by CNC high-frequency induction hardening machine. The inner pipe wall becomes a
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