... cnc machining 4.Finish: anti-rust High quality high quality precision cnc turning steel pulley produced by clients' drawingsAdvantages ... :Over 12 years experienceHigh quality control,Competitive ... , Copper , Brass, Aluminum,etcType:Drilling, Milling, Turning, Broaching,etcFinish:Zinc plated, Chromated plated, Electrophoresis, Powder ...