1.with ISO9001:2000 & ISO9001:2008 certification 2.have 19 patents:6 patents of invention,13 patents of utility model Company ProfileSpecialized in this field for more than 15 years.Plant area cover about 30000 square meters.Obtained ISO9001:2000,ISO9001:2008,and 19 patents.Have agents in many places,like Japan,India etc.,and cooperate with many big companies.Production:NOTE:Ball screw precision ...