Natural colk stoppers
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image In case of Uchiyama's natural cork stopper for wine bottles, the raw material stoppers stamped out at a Portuguese site are subjected at Uchiyama's own factory at home to surface treatment vital for a pull-out feeling of stoppers and the prevention of leakage, in conformity to wineries' bottle filling conditions, using safe material as per the Dietary Hygiene Law.
When you open a wine bottle using Uchiyama's natural cork stopper, you could feel a smooth stopper pull-out actually.
umc uchiyama manufacturing corp.