Tungsten carbide sleeves and rings plays a role in positioning or protecting the axle shaft to prevent shaft wear.  At the same time, it lower the hardness requirement of the grinding shaft and the shaft without quenching also can be used, thereby reducing the processing difficulty of the relevant parts. Tungsten carbide bushing and sleeves are working in an very poor environment. As an professional cemented carbide manufacturer, we committed to produce the most suitable bushing for our customers, with good raw material, excellent wear resistance, strictly control the quality, we have a high reputation in oil and gas industry.