Hunan ANFU Engine Valve Co.,ltd -

Hunan ANFU Engine Valve Co.,ltd

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valve seat
Specification: High
Detail: Powder Metallurgy:ANFU co***ny invited many experts whose professional in powder metallurgy material and other powder metallurgy product from ZHONGNAN university, since 2003. ANFU is professional in powder metallurgy valve sea...

engine valve
Specification: High
Detail: Electric upsetting, Bi-metal inertial friction welding, Stellite PTA, “U?Quench, Chrome plating, Nitriding, Solution treatment, Shape grinding, Swirl polishing, Cone surface stack welding, Shank part plating chrome , and so on


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