DT cans are mainly used for paint packaging. In common, the paint can, adhesive can, wax can need the double tight ring lid cans. 

Double Tight, according to the name, are tin containers that have a very tight and a completely leak proof top closure on the cans. Used to pack liquids or semi-liquids such as adhesives, paints, thinners, etc. 

Shantou GR Machine Co., Ltd specially produce can machines and production lines for single tight ring lid cans, double tight ring lid cans, triple tight ring lid cans etc.