PZ-7 Valve Guide 's material is 35CrMo.

We're Dezhou Rundong Petroleum Machinery Co.,Ltd,specializing in mud pump,fluid end.Our products mainly include valve seat and body, valve assy, liners, piston, piston rod and others mud pump parts.

Our products have already gained ISO9001 quality management standard certificate and meet API7K certificate.

Basing on our development tenet of Quality First,Credit Uppermost, we always put our utmost efforts to supplying high qulity products and best services to clients with maximum saving cost for our equipments users.

PZ-7 Valve Guide Assy