Ningbo Donghuang bearing Co., LTD is an enterprise under the Donghuang Industry that professional production of motor grade deep groove ball bearings,which founded in 1995.Through more than ten years of operation and development, now has more than 260 employees. The professional technology and inspection staff more than 60 people.Using the advanced grinding monitoring system,having inner and outer rings double automatic production assembly lines,automatic cleaning lines, automatic assemblys,note grease and screw cover lines,in total 38 production attachments. Kinds of measurings and test equipments are complete.Production capacity can reach 60 million sets each year and the annual production value amount over 150 million yuan.