EFV SLEWING BEARING CO., LTD. is a specialized precision slewing bearing manufacturer include designing, RD and producing ,which located in Xuzhou City, Jiangsu Province-a very famous Construction Machinery Base.

Our Slewing Bearings have several series such as Single Row Ball Series, Double Row Ball Series , Three Row Roller Series, Single Row Cross Roller Series, Light Type Series and Light Type F Series, product size is ranging from 200-4000mm with standard and non-standard models.        

Our products are mainly used for Excavators, Mobile Cranes, Tower Cranes, and widely used for Construction Machinery , Light Industry Machinery, Metallurgical Mining Machinery, Environmental Protection Machinery, Petrochemical Machinery, Engineering Vehicles, Ship Port Machinery and more gradually.

Our products are manufactured according to JB/T2300—2011 JB/T10471—2004JB/T66—1999、JG/T67—1999 with high precision, long time and high price/ performance rate, which have been sold to many provinces in China and exported to Europe, Asia, the Americas and Oceania and other areas, and obtain high praise and recognition from customers domestic and abroad. ,  Our team with Unity, Dedication, Pragmatism, Efficiency always offer best service and guarantee for our customers from ordering, purchasing, manufacturing and after-sale process. 

 Swing ring for CATERPILLER excavator