Patent

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  A method for detecting the stability of mechanical watch gear trains
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  A tourbillon movement with an automatic winding function
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  A transmission mechanism for pulling gears
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  A chassis structure used for mechanical watch movements
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  A thin double-barrel exposed pendulum movement case
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  A calendar and weekly calendar quick-adjustment watch movement
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  The self-striking mechanism of a mechanical watch movement
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  A tourbillon movement with a calendar function
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  A tourbillon movement with the star function
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  A mechanical timekeeping switching device for the movement of watch movements
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  A moving-pair indicating mechanism
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  A start-stop mechanism for counting seconds in a mechanical watch movement
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  A timekeeping start-stop mechanism for a mechanical watch movement
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  An energy display mechanism for a mechanical watch
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  A cylindrical gear start-stop mechanism

Qualification Certification

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  Intellectual Property Management System Certification Certificate
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  World Standard Certification Certificate

Enterprise Honor

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  Certificate of High-tech Enterprise