wine bottle cap: Our company have 2 auto-line to produce this cap, the capacity is 2.0 million per month.It is made of aluminum with saranex liner(pp) which have quality application and solid ink layer and bright in color. Providing the best seal for bottles elimanation corked and oxidation problems . Ensure taint-free medicine that offers consistent aging, maintained flavor and freshness with optimum quality control. It is used for medicine , wine ,health products bottles.