... Engineering Excellence. 2.Fabricate Full Range of Metal Materials. Item 24.5mm o ringMaterialStainless Steel, Cold Rolled Steel, Aluminum, Brass, ... , Gilding, Bronze, Kovar, Glass Sealing Alloys 42,52, NiFe 48, Nickel, Preplated materials such as Electro-Tin, Nickel, Electro-Zinc ... treatments, to IMDS compliant Chrome Free Zinc Plating and Electro-Painting,24.5mm o ring.2D&3D Design1. 3 designers in ...