Jingyun Sun

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Shenzhen, CN

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Patents Applicationslast 30 patents

Information Patent Application
Three-dimensional Gift Box with Acousto-optic Effect
- Publication number 20210198000
- Publication date Jul 1, 2021
- Shenzhen Winpsheng Creative Greeting Card Company Limited
- Jingyun Sun
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
ELECTRONIC CARD WITH SECURED SWITCH CONNECTION
- Publication number 20180186163
- Publication date Jul 5, 2018
- Shenzhen Winpsheng Craft Company Limited
- Jingyun Sun
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER