Process

-We're ready to provide our technology to perform an active role behind the scene-

If you look around for a moment, you'll find out what various items a gear is built in. For example, inside a car, construction machinery and plants of all kinds, there is always a gear built in. If not, we couldn't start an engine of any car or a ship. Without a gear, any construction machinery would be unable to pick up or move anything, no matter what amazing power it has.

The gear,though its size is no more than a few centimeter,has the potential to enable a machine to move energetically and powerfully . Not only in Japan,but also in Asia,Europe and United States, technology of QINGDAO BENDA is performing an indispensable role behind the scene.

Cold Rolling M/C

Flash Butt Welding M/C

Blank Line


1.	Our own process to cold-roll wire rod


2.	Stable quality in bending and cutting process by using patented machines and method


3.	No welding defect because of using self-control flash butt welding machines Welded part has more than 95% strength (in tensional test) to main part

HighFrequencyQuenChing

Gear Line


1.	In hobbing process our own designed hob cutters and collet jigs are used



2.	In quenching process oil is used instead of water to cool down heated ring gear for prevention of crack

CNC Tapping Center M/C

NC Balancing M/C

Flywheel Line



1.	Every flywheel process is controled by computer. ・Lathe(NC machine) ・Hole & Tapping(CNC machine)

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