Zibo Wenbo Bearing Steel Ball Co., Ltd is located in the Zibo city- hometown of the king of world famous short stories â Pu Songling. Itâs near to the Jinan airport and Qingdao port, thus enjoying convenient transportation conditions.We have focused on the R&D and production of high quality steel balls for more than 20 years. With sophisticated production equipment, rich technical force, perfect detection means and advanced process technology, we strictly enforced and adopted the ISO9001: 2000 international quality management system certification, and ensure stable and reliable product quality. The series products of our registered trademark â WENBOâ are all qualified, spot checked by the National Bearing Quality Supervision and Inspection Center. All technical indicators reach GB/T308-2002. The products are not only used in domestic manufacturer of motor bearings and automobile bearing, but also exported to Italy, Germany, USA, korea, Japan and Taiwan, etc. With the high-quality products, competitive price and good after- sales service, we have been acclaimed at home and abroad customers.We have always insisted âquality first, users supremacyâ, supply G5-G20 and in the 4.7625mm-35mm varisized steel balls for customers.