.various of forged universal joints available 2.hight quality ... Client Drawing-Ingot-Forging-Rough Machining-HT-Mechanical Testing-Final MachiningQuality Control:1.Chemical Composition confirm ... Chemical Confirm,Forging,Rough Machining,Heat Treatment,Mechanical Testing,Final Machining,Polishing,Painting,Electro-Plating,Chemical Plating ... brass components : pipe coupling/metal rings/machine components