Used for storage tank of high volatilization liquids such as: gasoline, aviation kerosene, light diesel, paraffine, crude oil . Applicable Scope:Storage tank of high volatilization liquids such as: gasoline, aviation kerosene, light diesel, paraffine, crude oil and etc.FEATURES:1 Special cobwebbed sex angle structure.2 Distribution of many pontoons of small size increases operation reliability.3 ...