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Email:greatwheel05@great-group.net Great Int'l Holdings Limited

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Great Int'l Holdings Limited

Address:606RM, Crown City, No.216, Changjiang Road, Qingdao Development Zone, Shandong, China





Wheel profile

Round is a kind of circular objects with a certain purpose. Through scroll wheel can greatly reduce friction. If accompanied by axis, it becomes the most important part of it. Wheel is useful in transportation, is one of the most important inventions of mankind. In addition to the outside wheel, round round ships wheel, flywheel and so on.

Wheels are usually seen as humanity's oldest and most important invention, and we often use it and fire breath. In fact, humans tamed the fire of more than 1.5 million years of history, and started to use wheels only 6,000 years.

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