Dalian Ounuo Bearing Co., Ltd. is located in the famous ZWZ Pinpoint Technique Manufacturing Industrial Zone. Our main products include various columns and tapered rollers. We also can machining all kinds of logarithmic curve precise columns and tapered rollers that meet the needs of our clients. Currently, our products have been providing to many precise bearing manufacturing enterprises. Roller spare parts are exported to Germany, Italy and so on. On the basis of researching 0,1,2 type columns, tapered rollers, Dalian Ounuo Bearing Co., Ltd. can produce p4, p5 precise bearings covering various types through cooperation with many precise bearing manufactories (0,2,3,4,6,7,8,9 eight types of bearings and self-lubricating joint bearings, inch tapered roller bearings, slewing bearings, split bearings, SL series and ultra precision main shaft bearings, and YRT turntable bearings). Our company has been offering cost saving products and reducing stock ...[More]od for the abroad users. The precise rollers and bearing products made in Dalian Ounuo Bearing Co., Ltd. have passed the Certificate of ISO 9001:2000 of SGS international quality management system. Our certification number is CN08/10144, registered trade mark is ZONZ. We aim at exploiting, developing, and leading market by our superior products. We hope to cooperate with friends in all circles and provide the best services to our customers.