Specific function description Tank material: carbon steel, stainless steel, according to the need can also use aluminum alloy, pure aluminum cans, rubber lining, rotomized, plastic cans, glass fiber reinforced plastic cans. Tank type: square, oval, round Oil pump: self-priming pump, gear pump, chemical pump, stainless steel pump, centrifugal pump, heavy oil pump. Oil meter: single count, double count, tax control …