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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

Tel:+86-532-86993701

Phone:+8618561839011

Fax:+86-532-86993703

E-mail:greatwheel05@great-group.net

History of wheel

Wheels this tool does not exist in nature, animals, or plants. Some animals in the natural world will scroll, but no animals were moving on the wheels. According to some scholars ' research, first wheel in the Fifth century BCE in Mesopotamia have emerged. Fourth century BC has a picture of two-axle vehicles. In China, vehicles with between Two BC first appear around 1000. The invention of the wheel is approximately in the late Neolithic, early on to the bronze age. In other words, after races appeared to have more than 100,000 years of wisdom do not know how to use the wheel. First wheel is made of wood, drill a hole in the Middle, loaded shaft. Pay attention to cutting the trunk does not have a good wheel, because the section lacks sufficient strength of the trunk. Wheels with straight cutting board cut-just and durable.

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