PS. We use high-cost helium (safe gas) with a purity of more than 99%.
 The cost of the high-risk hydrogen balloon in the night market is several times less than that of the night market, which is completely different~
 To ensure safety, please rest assured to use
 ＊Note: 10-inch floating time is 7-8 hours, so it is recommended to pick up the goods 1-2.5 hours before the start of the activity as the best time
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