Details:Standard: ISO9001:2008Free sample: availableApplication: bearings, nail polishing, grindingSurface: mirror, polishedColor: White or according to your requestSpecifications1. High speed, low noise special bearings2. Different specifications with steel ball of the ball pen3 .High precision, low noise motor bearing, household appliances bearing4. And general industrial use and automobile, motorcycle, bicycle manufacturing special bearings of steel ball of the electronic industry and form a complete set with the ball5. Liquid, gas with ball valve, etc6. Characteristics and advantages: these are magnetic materials with a good mechanical hardness and corrosion resistance, all balls are passivated.Quality Control:The tenet of our factory: quality first, customer supreme, practicality and efficient, exploitation and innovation, solidify and struggling, create refulgence again; welcome for widely customer come for, welcome the friends of the world. Production process: Drawing, Heading, Flashing, Heat-treatment, Grinding, Lapping, Inspection, PackingWe will provide customers with quality products, perfect service and fast delivery at competitive pricing, welcome your inquiry, we will try our best to give you our help