Dalian Changhui Slewing Bearing Co., Ltd. is specialized in the design and manufacture of slewing bearings.

Our main products are five types of slewing bearings, including single-row spherical type, double-row spherical type, three-row spherical type, three-row rolling type and crossover rolling type. They all have standard and non-standard specifications ranging from 200mm to 4500mm. Products sell well all over China and are exported to the USA, Germany, Australia, Singapore and other countries.

We will provide our customers with reliable design, precise manufacture and timely service and create values together.
Mr.Zheng Xiangchen,graduated from Herbin Military Instrtute of Engineering in 1966.During his college time,

he took study in the School of Engineering Machinery School of majoring in bearing,and participated in the designing and manufacturing of the first turntable bearing in China in 1964.Over the years,Mr.Zheng has been engaged in bearing designing and manufacturing.He used to be the chief scientist of giant enterprises such as Wafangdian Bearing Gruop.The 5082mm Triple-row cylindrical roller slewing bearing used in Qinhuangdao Port today was designed be him in 1995,which replaced the crossed roller slewing bearing imported from Japan.After 2000,Mr.Zheng designed and manufactured manu kinds of slewing bearings which replace imported ones from oversea such as marine slewing bearing which load carrving capacity over 9 million tom-meter,crossed cylindrical roller slewing bearing used in Computer to mography.