We are Hengmao International Bearing Co., Ltd. KOFK bearings. Hengmao International Bearing Co., Ltd. is a high-tech enterprise specializing in the production of various types of high-quality foreign spherical ball bearing and deep groove ball bearing tapered roller bearing spherical roller bearings. Using different materials to produce to meet the special needs of different industrial and mining is our strengths. Widely used in a variety of fields, and get the user's praise. My email: sales02@kofk-bearing.com Our website：http://www.kofk-bearing.com/ http://www.kofk-bearings.com/