1958
Successfully developed air bearing, electric spindle with 60,000 rpm
1960
Successfully developed the first batch of A23 precision instrument bearings, high-temperature high-speed A grade precision bearings
1963
Successfully developed nautical gyro ball bearing
1966
Successfully developed professional bearings
1972
Developed DZ series grinding spindle
1975
Successfully developed high speed turbine dental bearing with 400000 r/min and spindle bearings for precision machine tool
1978
Succesfully developed high speed roundness measuring instrument, bearing friction torque measuring instrument and GDZ series grinding spindles
1984
Logarithmic curve convexity roller superfinishing machine was developed
1986
Set up National Quality Supervision and Inspection Center and developed one way clutch bearing
1992
Successfully developed ceramic ball bearing
1998
Successfully developed spindle for machining center
1999
Successfully developed grease-lubricated high speed spindle bearing
2001
Successfully developed bearing testing machine for automotive
2004
Successfully developed automotive air conditioner bearing
2015
Successfully developed special bearings for industrial robot
2015
Successfully developed bearing for CT machine
2016
Successfully developed shield machine bearing
2017
Successfully developed photovoltaic bearing
2017
Successfully developed Ultra-high speed micro lubrication angular contact ball bearing
2018
Successfully developed 3C bearing