Langsun Carbide has many kinds of tungste carbide bushing products with good materials, excellent performance and good wear resistance. To make our carbide bushings high machining accuracy, keeping operation precision, prolong the life time of rolling axletree, we strictly control our quality, and have a high reputation in oil and natural gas industry. We produce many OEM carbide sleeves for our clients all over the world. Specifications Carbide drill bushings for sealing 1.100% raw material 2.trial order accept 3.finished and blanks available 4.professional suggest Application: Tungsten Carbide Shaft Sleeves are often used in water pump, oil pump and other pumps, especially used for high pressure or corrosion resistance pumps. Flow restrictors, servo seat and components are made of tungsten carbide which are widely used in oilfield. Tungsten carbide material specification Grad…