Material Gcr15 Material/Chrome Steel Quality P0,P6 Cage,Retainer MB,CA,CC,E Housing P,F,FS,FL,FC,T Series UC200series,UC300series,UK200series,UK300series, SA200series,SB200series Certificate ISO9001:2008,CE Service OEM&ODM Market Europe,South America,North America,Middle East,Southeast Asia Application used in many areas of large steel mills, aviation,aerospace,marine,railway,metallurgy,steel, mining,electricity,machinery manufacturing,printing, electronics,textiles,food,chemical,automotive etc