design patent 7
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design patent 3
design patent 2
design patent 1
utility model patent 12
utility model patent 11
utility model patent 10
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utility model patent 7
utility model patent 6
utility model patent 5
utility model patent 4
utility model patent 3
utility model patent 2
utility model patent 1
certificate of computer software 凯发k8国际 copyright 2
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ce certificate 5
ce certificate 4
ce certificate 3
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shanghai enterprise with good credit in honoring contracts during the year 2019/2020
certificate of contract credit rating 2019-2020
shanghai advanced private enterprises 2020-2021
shanghai advanced private enterprises 2018-2019
