https://www.drumclosure.com/products/drum-cap-seal/ Tamper-evidence barrel cap seal are used for industrial container opening and widely applied in filling line on either steel drums or plastic drums. Chongyi is one of the top drum cap seal suppliers and drum cap seal suppliers in China. The 55 gallon drum bung seals, cooperating together with and differentiating from drum closure, are relatively lightweight and disposable, which makes them an ideal option as an anti-theft and directness-prevent cover. The drum lock seal has full range of colors and customized logo designs which are frequently requested as an anti-counterfeiting selection. Drum makers and drum users can always find suitable drum cap seal for their filers from us, a professional drum cap seal company!