Xuzhou Helin Slewing Bearing Co., Ltd. is a specialized precision slewing bearing manufacturer which includes designing, R&D and producing. We are 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 Flange Type Series. Our product sizes range from 200mm-4,000mm with standard and non-standard models.Our products are mainly used in the Excavators, Mobile Cranes, Tower Cranes, and also widely used in the 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/T10471-2004, JB/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 obtained high praises and recognitions from customers all over the World.   Our hardworking and sincere team works with Unity, Dedication, Pragmatism and Efficiency and we always offer excellent services and guarantee for our customers from ordering, purchasing, manufacturing and after-sale process. You are always welcome to be here in-Xuzhou Helin Slewing Bearing Co., Ltd - with high quality products and perfect services.