Specifications:We set up year 1975, is the first manufacture specialized in making bearing ball in china. The factory produce steel ball of haizhu brand& tungsten heavy alloy ball in accordance with iso standard, of various precision grades from 1mm to 50.8mm in diameter. We have acchieved remarkable success and accumulated abundant experience in the research& development of ball making technology. In the equipment, testing& mearuring instruments, we has been ranking first among the bearintg ball indu7stry at home by its high productivity, excellent quality& better economic efficiency.The stable& reliable quality of steel ball of haizhu brand is guaranteed owing to its first application in china of foreign up-to-date technology such as surface tubling, protective atmosphere heat-treatment, and superlapping. With its high precision, steel ball of haizhu brand are meeting great variety of needs from various field.If you are interested in our products, please contact us without any hesitationhaizhu/other Other Price Terms: FOB  china Payment Terms: L/C,T/T Certification(s): ISO9001Supply Ability: BIG