China reducer manufacturer donly established a high precision and heavy duty gearbox's manufacturing base

Printer-friendly versionPDF version

Ningbo donly transmission equipment has invested 200million USD in establishing a heavy duty and high precision gearbox manfucturer base which located in Ningbo city, China.

Ningbo donly transmission equipment is a listed company which dedicated in design and manfucturing gear reducer, High speed gearboxes, high rail locomotive gearbox, vertical mill gearbox, vessel gear reducer, standard gearmotors, gearbox with motors, couplings and so on.
In 2008, after listed in Shengzheng stock exchange, Ningbo donly invested 200million USD into a new project which have production capacity of total volume of 300million USD a year. There is 200,000 square meters factory area and 200 sets high precision and heavy duty machinery.
These mahchines are maily from Germany and Japan including Diameter 4000mm profile gear grinding machine from Gleason-Pfauter, C100U Klingelnberg spiral bevel gear cutting macine and 14000milling and boring machines. It can product Diameter 5000mm gears and single weight 200tons gearboxes including heavy duty gearboxes for coal mill, vertical mill, cement, power, wind power, steel maker and so on.

All gears from Ningbo donly are using low carbon high quality alloy steel including 17CrNi2MoA, 20CrNi2MoA with caburzing and quenching process to reach high hardeness tooth face and flexiable internal to against of high shock.