... of forged products include all kinds of drive shaft assembly for Medium & heavy duty truck and ... ,Rough Machining,Heat Treatment,MechanicalTesting,Fianal Machining,Polishing,Sand Blasting,Painting,Electro-Plating,Chemical Plating and ... Machining,Heat Treatment,Mechanical Testing,Final Machining,Polishing,Painting,Electro-Plating,Chemical Plating and other ... forged part/drive equiment/propeller shaft