Tamper-Evident 31.5mm Non-Refillable Aluminum-Plastic Cap for Olive Oil

The 31.5mm aluminum-plastic cover has a standard spiral design, a built-in anti-backflow structure, and is made of a composite material of aluminum and plastic, taking into account both sealing and anti-counterfeiting properties.

Best Aluminum ROPP Caps for Olive Oil Packaging

HAOMEI Aluminum specializes in manufacturing ROPP caps, aluminum-plastic composite caps​, and tamper-evident screw closures—ideal for packaging olive oil, alcoholic beverages, and cosmetics. We also offer full support for anodizing surface treatment proce