bearings company : 1.China manufacturer 2.materical:bearing steel (Gcr15),carbon steel ... concludes calcium grease, lithium grease, and high temperature grease, etc.Company Name:Qingdao Rich Bearing Co.,LtdSales Manager:JoeTelephone:0086-0535 ... ,Shandong province, China 2012 High precision and low noise bearings company liaocheng manufacuter