... Plating,Chemical Plating and other machining processingForging ProcessHammer Forging,Pressure Forging,Dropped ForgingForging MaterialHigh Strength Alloy Steel,Alloy ... Steel:SUS316L,SUS316,SUS304Forging ProcessingIngot Checking,Chemical Confirm,Forging,Rough Machining,Heat Treatment,Mechanical Testing,Final Machining ... our quickly reply! brass components : pipe coupling/metal rings/machine components