This coffee brew fermentation tank is professional equipment for specialty coffee post-processing, suitable for washed coffee, natural coffee, honey process and anaerobic fermentation. Built with full sanitary stainless steel structure, it provides stable sealed fermentation environment to control microbial activity, effectively avoid abnormal fermentation and off-flavor. Precise temperature control ensures uniform fermentation speed, enhances coffee sweetness, aroma and flavor clarity. Widely used in coffee farms, coffee processing factories, roasteries and large coffee production lines. All volumes customized for small batch trial and industrial mass production.