... please offer: 1, 2D & 3D Drawing 2, Surface treatment and HRC 3, Quantity 4, The use We are the manufacturer of powder ... PM, CNC2, Apply to auto, meat grinders, motocycles, locks etc.3, Good performanceSome applications of our technology: Auto chain wheels: Watch ... , Product 2D and 3D drawings and material2, Measurement tolerance3, HRC(hardness)4, Quantity5, Application of this part6, Surface treatment