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