Xuzhou xinda slewing bearing co., ltd is a comprehensive manufacture , specializing in producing designing and r & d the slewing bearings . we have first-rate facilities , large production capacity , excellent engineers and technicians , modern production plant and complete testing equipments , and have reached the high industry level by our comprehensive strength , which located in xuzhou --- the china construction machinery base . meanwhile , our company has passed iso9001-2000 quality system certification and won lots of hornor at home and abroad by high precison , long life , excellent quality , reasonable price and perfect after-sales services . our main markets are covering with more than 30 countries and areas in asia , europe , the americas and so on .