1.Entire material valve
2.Double metal friction welding
3.Small soldering terminal pin
4.Small soldering alloy
5.Shaft chromium-plating
6.Surfacing nitration treatment
DEUTZ 2011 ENGINE VALVE
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Company Profile
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1.Entire material valve
2.Double metal friction welding
3.Small soldering terminal pin
4.Small soldering alloy
5.Shaft chromium-plating
6.Surfacing nitration treatment