香港六合彩特码网址|香港六合彩今日开彩东方新经

Welcom to Qingdao Donrex Co., Ltd. Offical Website!

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Qingdao Donrex Co., Ltd.

Contact Us

Add: 1408, building2, Noble plaza, No.328, Dunhua Road, Qingdao, China

Tel: 86 532 85800130

Fax: 86 532 85699926

Email: [email protected]

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Main products:

Seamless Rolled Rings for slewing ring bearings, Turntables, wearing rings, wind turbine slewing rings, wind turbine blade bearings, yaw bearings inner and outer rings, pitch bearings inner and outer rings. 

Seamless Rolled Rings for large non standard flanges, large custom flanges, small wind tower flanges. 

Large diameter customized flanges. 

Ring Gears, Gear Rings, Circle Gears, Solid tyre and wheels, Seamless rolled neck rings. 


Main material: 

A105, A266 Gr1 to Gr4, SA350LF2, A694, C22, S235, S275, S355J0 

42CrMo4, AISI 4140, CK45, 1050, C50, SCM440, S48C, 
S355NL, S355J2G2, S355JR, Q345E, Q345D

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