... our approval firstly, thank you! (*^_^*) Blade for the V-CUT,peeling machine insert for steel tube, cutting tube machine ... etc.) like high temperature alloys, heat-resistant alloys, Ni-V-Ti alloys, cast iron, stainless steel etc., ultra excellent machining ... please provide your sample and specify the detailed specification, material type, size tolerance, drawing of semi-product and finished product, ...