... Management Certification: ISO 9001:2000 1.A-type oil delivery valve 2.Neutral packing3.High quality and reasonable price4. ... Material:steel5.Equal pressure delivery valve6.Management Certification: ISO 9001:2000 NOPTOR is an ... a series of injection parts, such as,Nozzles, Plungers, Delivery Valves, Filter,Injectors,Rotor Heads ,Brake Pads.“Stable quality, punctual ...