Prynee Auto Parts Ltd

We are pleased to introduce that we are the ISO ***1 certified u-joint manufacture with our own professional machine equipments in Hangzhou, China. Our main producing technique and in section standard are from the coopeation and technical transfer of original technician. We are also the OEM supplier for our worldwide customer. Our material for spider and bearing caps is *0Cr alloy steel (hardness after heat treatment is HRC ****4 ), our material for needle roller bearing is Gcr*5 high carbon steel( hardness after heat treatment is HRC ****4) , There is one patent cross shape grease channel design inside our each bearing cap. we hope you can visit our company and factories in Hangzhou, we will show you our process of producing u-joints and inspection standard, etc. that will let you understand and have more confidence in our products.