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R&D Center

Cooperate with America Company long history, Design special valve,
Updating API/ASTM specification, United to do test for API 591/API 624/ISO15848-1, Research Chrome alloy steel casting technology.

Non-Metallic Inclusion Research for hydrogen cracking service valve castings


ENP coating – hardness/thickness/adhesion strength/ chemical composition

     
     

Valve stem galling research

    

        

Valve stem surface hardening technology

        

Chrome steel casting technology developing 
         

     

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