... Series Type universal joint shafts are of our patented products . It is wildly used in Large Steel Mills, drilling rig ... the main products: SWP, SWC, SWZ and so on series cardan shafts. GIICL, GIICLZ, WGT, WGP, NGCLZ, ... GICL, GICLZ, WGC, GCLD, TGL and so on series Gear coupling. JSB, JS, JSS, JSD, JSJ and ... HLL, TL, TLL, ML and so on series flexible coupling. SWC 225 universal joint cardan drive shaft ...