Hydraulic oil pump has been extensively applied to petrochemical engineering, mining, shipping, irrigation, power industry equipment, and other purposes. Therefore, oil pump is an indispensable device for industry. The most important element of devices provided by YFB is bearing required by “rotation” part, which supports all industrial fields through main device. YFB is dedicated to pursuing the optimal design, to improving production quality, and to providing various bearing products which can play a role in environmental protection, energy saving and maintenance repair cost reduction, and has long service life, high bearing capacity, and high reliability. YFB will focus on its comprehensive ability, will work hard to develop special bearing for new generation of pump with good comment, and will launch products with better performance in the future. As a leading supplier of bearing in oil pump manufacturing industry and engineering solution, YFB closely cooperates with leading manufacturers so as to provide reliable remote assistance in places which are hard to reach.