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| Appearance design patent certificate（9） |
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| Appearance design patent certificate（10） |
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| Appearance design patent certificate（11） |
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| Appearance design patent certificate（12） |
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| Appearance design patent certificate（13） |
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| Appearance design patent certificate（14） |
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| Appearance design patent certificate（15） |
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| Push-up board appearance design patent certificate（1） |
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| Push-up board appearance design patent certificate（2） |
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| Push-up board appearance design patent certificate（3） |
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| Push-up board appearance design patent certificate（4） |
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| Push-up board appearance design patent certificate（5） |
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