1. Three wheels tricycle can be turned into two wheels bicycle 5 in 1
2. Seat can rotate 360 degrees
3. Front is free wheel, pedal can be locked when pushed
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Zhengzhou Chorus Lubricant Additive Co., Ltd: We're well-known as one of the leading lubricant additive package, lubricant additive component, polymer, synthetic ester, calcium phenate manufacturers
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