... indispensable and important infrastructure in Petroleum, chemical industry, grain and oil, food, fire, transportation, metallurgy, national defense industries.6 ... bottom tank(2): According to the oil classification Crude oil tank, fuel tanks, lubricating oil, edible oil tank, fire water tank(3):According ... ):According to the size More than 100 m3 for large storage tank, vertical storage tank; 100 m 3 ...