ZSY315 reductor speed reducer with ratio 40 45 60 harden tooth surface helical transmission three stage gearbox
ZSY280 speed reducer gearbox helical reductor cylindrical gearbox hardened tooth surface parallel shaft gear speed reducer
High accuracy helical cylindrical zsy315 reducer hardened tooth surface speed reductor three-stage cylindrical gearbox
ZSY180 high efficiency speed reducer helical reductor ratio 28 harden tooth surface cylindrical gearbox
