Piston Rod

Below are the kind of piston rods we deliver: . Hard chrome plated bar ck45 . Quenched and tempered hard chrome plated steel bar ck45 Induction hardened chrome plated steel bars ck45 . Q+T, induction hardened hard chrome plated steel bars ck45 . Q+T,hard chrome plated bar 42CrMo4 . Q+T,induction hardened hard chrome plated steel bars 42CrMo4 . Hard chrome plated bar 20MnV6 . Induction hardened Hard chrome plated bar 20MnV6 . Hollow piston rod