Nabeya Bi-tech Kaisha(NBK), NBK's histroy since 1560, Established Nabeya Kogyo Kaisha at 1940, foucus on make Shaft Coupling, Flexible Coupling and Rigid Coupling. Shaft coupling type: XGT XGS XBW XBS MJT MJT-C MSX-C MSX MST-C MST MSTS-C Stainless MSTS MOL-C MOS-C MFB-C MFBS-C Stainless XUT MSF.