... kinds of steering knuckles as per your requirements for aftermarket and Oequality.2.Processing:cold forging and ... forming3.Heat treatment:carbonitriding,carburizing,annealing,normalizing,tempering4.Electroplating,conversion coating,electroplating5.Price:reasonable and competitive according ... ,accorring to customer’s requirement,payment for sample.30% pay for desposite,70%before shipment. auto knuckle ...