We start with the carefully selected and inspected raw materials,which are from our strategic purchase to ensure the high quality and low cost.Each C.V.Axle receives accurate and consistent machining and is assembled with specially formulated grease to keep smooth slippage and protect the components from high temperature. The premium-grade boots,which are of high tolerance and can stand high and low temperature,keep the inner components from the outside dirt and water. Our quality control and inspection system makes sure that our products can perform to the OE quality standards.