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Selecting the correct diameter for a unishell metal cap is one of the most practical decisions a packaging buyer or product developer will face. A unishell metal cap t...

Explore Uniseel’s 45-400 Unishell cap technical drawing. Featuring 47.5mm OD, 45.0mm ID, and a strict ±0.1mm tolerance. Engineered for zero-leakage performance in high...

Explore Uniseel’s 38-400 Unishell cap technical drawing. Featuring OD 40.5mm, ID 38.0mm, and a strict ±0.1mm tolerance. Engineered for zero-leakage performance in high...

Discover Uniseel’s Master Declaration of Compliance (DoC), consolidated with SGS Report TAOPC26004587603. Our closures are certified Bisphenol-Free (EU 2024/3190) and ...

Uniseel IHS liners are certified Bisphenol-Free under SGS Report TAOPC26004587603 and compliant with (EU) 2024/3190 & EDQM 2024. Engineered for ±0.1mm precision, ensur...

A custom coated unishell metal cap is engineered specifically to resist the damaging effects of corrosion that commonly affect metal closures in packaging environments...

Uniseel PS liners are certified Bisphenol-Free under SGS Report TAOPC26005219201 and compliant with (EU) 2024/3190. Engineered for ±0.1mm precision closures, ensuring ...

ISO 9001:2015, Registration No. 07625Q1617R0S-ZJ/001, Uniseel Technology, Shengxiang Technology, ±0.1mm tolerance, metal bottle cap manufacturer, TUV verified

Explore Uniseel’s patented multi-station processing device (CN 221109686 U). Featuring a segmented rotary trajectory for ±0.1mm precision and coating protection. Optim...

Explore Uniseel’s patented multi-station sealing device (CN 221112162 U). Using synchronized automated compression, we ensure uniform pressure and perfect liner alignm...

Explore Uniseel’s patented dual-trajectory threading system (CN 120438729 A). Our squeezing method ensures perfectly concentric threads and coating integrity for rust-...

Discover Uniseel’s patented intelligent stamping line (CN 224026254 U). Featuring an automated clamping system to eliminate material drift, ensuring ±0.1mm precision a...