copper balls drilled and undrilled pure copper balls with hole 5mm 6mm 8mm 15mm

With more than 20 years' experience, Qingdao Autos Ball Bearing Factory is a professional steel ball and bearing manufacturer in China. Now it has a steel ball plant and a bearing plant. There are 2000 sets of modern production processing equipments and 260 sets of testing equipments, to make our products to overseas with the competitive price and high quality.

In the best inspection methods and management system of ISO3290 and ISO/TS16949, we mainly produce 0.5~50mm, Grade 3~1000 stainless steel balls, chrome steel balls, tapered rollers and cylindrical rollers etc. Since 2006, we began to produce deep groove ball bearing, self-aligning bearing, tapered roller bearing, auto bearing, non-standard bearing, and pillow block, inner and outer rings. With high quality and reasonable price, our products exported to Europe, American, Middle East Southeast Asia, etc.

As an ISO 9002:2000 certified company, strict quality control is done in every production process of manufacturing. "Quality First, Customer Priority" is our slogan. Our core values "Profession, Quality, Service, Efficiency" make us to be your best choice.