Aluminum bottle cap with pourer (aluminum-plastic combination cap) is a composite structure bottle cap that combines aluminum outer cap and plastic inner pourer.

The aluminum caps and closures market has shown a steady growth trend in recent years, mainly due to its wide application in food, beverage, medicine and other industries.

Printed aluminium ROPP caps produce obvious destructive marks when opened, ensuring that consumers can confirm that the product has not been tampered with.

The ROPP cap full form is "Roll-On Pilfer Proof Cap", which is a kind of tamper evident bottle cap.

There are various types of wine bottle closures, the choice not only affects the sealing and aging potential, but is also closely related to environmental protection and opening convenience.