Advantages of glass bottle pull ring beer lid
Advantages: excellent mechanical properties, mainly manifested in high temperature resistance, humidity change resistance, pressure resistance, pest resistance and harmful substance erosion resistance. Mostly made of aluminum or tinplate, there are many sizes. The riveting between the pull ring and the lid is the key point in the process of easy opening the lid. When the pull ring or the bottom cover is poorly formed, the pull ring cannot sink into the bottom of the bottom cover and rivet tightly with the cover.