Our company mainly take the carbon steel and chrome steel as raw material and specilaize in a variety of miniature deep groove ball bearing with the inner diameter ranging from 2mm to 25mm primarily . Our products have fine characteristics such as: Low vibration, Low noise, High speed and long life, Etc. Simultaneously we can also make non- Standard bearings with customer 's drawings or samples. Please feel free to contact us for more information. We look forward to your correspondence!