supply bearing accessories: steel ball / chrome steel ball /use for bicycle parts / caster / drawer slide / ball bearing /toy etc. 1.ISO9001:2000 Certification.2.Over 13 years' experience. 3.High quality and low price. 4.Material: chrome steel/ chrome steel/ stainless steel.5. Diameter:1.588mm-40.1mm 6.GradQingdao lanneret steel ball co.,ltd was established in 1996. We have 13 years experiences for still ball production. Finish all the processes in our factory. There are carbon steel ball, chrome steel ball and stainless steel ball. The grade from G1000-G40. We also can offer unharded ball (soft ball).Our monthly capacity is 280 tons.e:G16-G2000