valve stem
solid carbide
tungsten carbide valve
Model Number: various; Material: tungsten carbide; H(mm): 5~225; Machining: OEM; ID(mm): 4~450; Brand Name: Chuanying Carbide; certificate: iso9001:2008 TUV; Port: ALL; Payment Terms: L/C,D/A,D/P,T/T; Surface: Ra0.1,Ra0.2,Ra0.8; Packaging Detail: standard export carton or discuss; Supply Ability:...