Screw Closure

Exquisitely molded standard internal threads enable smooth screwing on and tight locking. It is not prone to slipping, cross-threading or loosening, perfectly matching high-speed automatic capping production lines.

Available in complete specifications from 13mm to 91mm, compatible with countless glass and plastic bottle necks of different calibers. It meets diversified packaging demands across small vials to large-capacity containers.

Constructed from high-quality polypropylene (PP), featuring good rigidity, chemical resistance and low-temperature tolerance. It resists cracking during repeated twisting and adapts to various liquid contents without chemical reaction.

Closely fits bottle mouths after tightening to effectively prevent liquid leakage, moisture ingress and volatile ingredient loss, keeping internal products stable during long-term storage and long-distance transportation.

Widely applicable for daily chemicals, food, pharmaceutical and industrial packaging. Custom colors and surface finishing are available to realize personalized brand packaging design for clients.