... tightly, and without leakage. such as oil cans,chemical drum/barrels, adhesive barrels,etc.2) ... 20L square drum making line.The cans our machines can produce, include: chemical/paint drum/barrels/cans, oil barrels/cans, grease oil cans, food cans, adhesive cans ... , garbage basket, gasoline cans, spray cans, ink tank, ...