Global Flax Milk Market By Type (Unsweetened Flaxmilk , Original Flaxmilk , and Flavor Flaxmilk), By Application (Hypermarkets and Supermarkets , Convenience Stores , Food and Drink Specialty Stores , and Others), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029