1.Pressure Cooker Parts 2.Material as customer's required ... used in the automobile, construction equipment hydraulic industry and etc.1. Material Available: Copper, Brass, Aluminum, Stainless Steel, Steel ... Treatment: Plating, anodizing, black oxide etc.7. QC 1) Technicians self-check in production 2) Engineer spot check in ... us at:Tel: 86-757-26385090TM: changzedianqi Pressure Cooker Weight/Regulator