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| A LED light source for rail passenger lighting ( patent certificate ) |
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| Train broadcast LED graphic display ( patent certificate ) |
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| Rail passenger reading lights ( patent certificate ) |
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| Precision steel radiator sub- head ( patent certificate ) |
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| Electronic converter ( patent certificate ) |
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| LED Spotlight ( patent certificate ) |
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| EMU warm car ( patent certificate ) |
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| EMU DC Electronic Ballast ( patent certificate ) |
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| Railway passenger car electrical control cabinet ( patent certificate ) |
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| A railway passenger car LED light source dedicated drive ( patent certificate ) |
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| Kind of car junction box cover and cabinet sealing structure ( patent certificate ) |
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| Precision cast steel heat sink head ( patent certificate ) |
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