1 month to February. Because 1 month to February is around the Spring Festival, the sales volume during this period is the largest, almost 70-80% of the sales in a season. Since the establishment of Six Walnuts in 1997, it has been focusing on the development of vegetable protein drinks. According to the estimation of Suning Financial Research Institute, in 20021year, the market share of six walnuts in walnut milk was 4 1.2%, which had an absolute leading edge.