... in most reasonable price.Features:1.Forging Material:Alloy Steel2.Standard:ASTM,ANSI,JIS,DIN, ... lower price possible7.Advanced-Level equipments8.Full material testing process and quality control system9.18 months ... Confirm,Forging,Rough Machining,Heat Treatment,Mechanical Testing,Final Machining,Polishing,Painting,Electro-Plating,Chemical ... components : pipe coupling/metal rings/machine components