The SM1CO5 was made by Westmag in 1968, the Sm2CO17 was 1978. Westmag had a long history. Now Westmag also exports to many European countries, like Germany, Russia as well as US.
The sintered SmCO and bonded SmCo Magnets are our strongest products, also the magnetic assembly (magnetic coupler and magnetic rotor, stator)
Sintered SMCO Magnet, Sm1CO5 Magnets, Sm2Co17 Magnets