Company profile Ningbo DONGHUANG Bearing Co., LTD, founded in 1995, is a professional manufacturer of EMQ deep-groove ball bearing. The products are widely applied in miniature motors, electrical appliances, sports equipment, automobile components, electric tools, instruments, machinery equipment, and so on. Company now covers an area of over 40000 square meters,with 265 employees (including all kinds of high and middle professionals around 80 people), annual production capacity can be 80 million sets. DONGHUANG Bearing devotes to developing the small and medium deep groove ball bearings from inner diameter of 4mm - 60mm micro. The advanced automatic production lines, complete testing instruments and standardization of mature technology as well as high quality technical development team contribute to stable and high quality products. We also have a Equipment factory which manufacture automatic production lines for bearings, which helps us develop lots of non-standard or customized products.