... ,large temperature gap between day and night,and the water quality is very good.Rich in minerals and fertile soil: ... better taste:Kuancheng chestnut have longer growth cycle,higher quality,it matures about 25 days later than other Chinese ... fragrant.Certificate:JAS,USDA,NOP,ISO9001,KOSHER ,HALAL,BRCStrict quality control:strict organic management,strict hygiene management,strict operation procedures ...