1.High carbon steel etching; 2.Products with complexed shape;. 3.We have competitive price; 4.High precision; 5.No burr. The core components of isolator.The material is copper,brass or phosphor bronze.The surface usually is silver or gold plated .We are in stirct requirement of flatness, burr,dimensional precision(±0.025mm),material thickness,plating and so on.Especially, plating is the most ...