... large torque,long service life , convenient to maintain CE couplings for rolling mill, for steel1.It is wildly used in ... that includes universal joint shaft couplings - swc type, universal joint shaft couplings - swp type, universal joint shaft couplings - swz type, cross for ... 3) SWZ type Cardan shaft4) LQA type Cardan shaft couplings for rolling mill, for steel manufacturing with CE certifation