Stopping and sealing device for bottles with security opening mark

The invention relates to a bottle cap sealing device whose purpose is to clearly indicate that the bottle has been opened after being opened for the first time; and after this mode is realized, the mark indicating that the bottle has been opened is irretrievable. The mode of displaying the first opening is by means of a ring-shaped, heterochromatic circumferential tongue that is visible even if the cap is closed.

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Fengxi Dongyang Porcelain Factory ,