Xuzhou Wanda Slewing Bearing Co.,Ltd. is a slewing bearing (names:slewing ring , turntable bearing) .manufacturer specializing in standard and non-standard slewing bearing .Over the years, we supplied high quality product & good service to every user and gain good credit.We have strict quality control system in our own factory,meanwhile, we have passed ISO9001-2008 Quality System Certification and JG/T66-1999, JG/T67-1999, JG/T68-1999,... ...