... kinds of drive shaft assembly for Medium & heavy duty truck and its accessories such as steering yoke, weld yoke, flange ... inspection. We will supply products in best quality and best price.Features:Material: 45# Carbon steel, 40cr steel, 200crmnt, Stainless steel, ... product meet ISO9000, TS16949 Certificate Heat resistant & Distortion resistantHigh intensity and rigidity. 45# steel forged products