Dear purchasing manager,This is Zhu Ye from Changzhou Dingli Bearings Co., Ltd. As an ISO9001:2000 certified bearing manufacturer and exporter in China, we supply high precision bearings for various applications. Main products: Tapered Roller bearing (single row, double row, four row)Spherical Roller bearings (single row, double row)Cylindrical Roller bearingsSpecial thrust bearingsOther special bearingsAuto bearings ( wheel bearing (kit), clutch release bearing, hub unit etc.) In recent years, we've cooperated with many many customers in America and Europe for these items which used for heavy industry: trucks,machine tools,gear box, oil-field,drilling/mining/metallurgy equipment etc.