Beijing rkf mechanical & electrical equipment co., ltd., is an manufacturer and export-oriented enterprise, specializing in marketing various types of bearings. our first factory was established in 1995 in hebei province. we mainly did domestic business in the early years and since 2005 we have started to develop the oversea markets. our products include deep groove ball bearings, cylindrical roller bearings, tapered roller bearings, self-aligning ball bearings, insert bearings, thrust ball bear