All the major beverage conglomerates have access to domestically grown grapes .
All the major beverage conglomerates given the challenge of climate on domestic grape production , three quarters of the wine bottled by Japanese producers relies to some extent on imported bulk wine or grape concentrate .
All the major beverage conglomerates have access to domestically grown grapes , but given the challenge of climate on domestic grape production , three quarters of the wine bottled by Japanese producers relies to some extent on imported bulk wine or grape concentrate .