Dalian changhui Slewing Bearing Co.,Ltd. isspecialized in slewing bearing design and manufactures. Main products are four series of slewing bearings:single-row spherical type,double-row spherical type,three-row spherical type,three-row rolling type and crossover rolling type.They are applied for all standards or non-standard specification ranged 200-4500mm.Products are sold to all over China,and export to U.S, Germany, Australian, Singa-pore and other overseas countries. We will provide to our customers with reliable design,Precise manufacture, commitment and timely service and create mutual values.