polystyrene foam boxes cooler 1.cold storage time:48h 2.Capacity:26L 3.Exterior dim:504*320*330mm polystyrene foam boxes cooler Ningbo Huasheng Electrical Appliance Co., Ltd. integrates R&D, production, manufacturing and sales. We specializes in the production and sales of cooler boxes, jump starters, vacuum cleaners, car fans, water purifiers, air compressors, auto polishers, battery chargers, ...