Blog

Uniseel is a Chinese manufacturer of unishell caps 38/400-89/400 and sealing liners: ISO 9001 and TUV verified, 21 patents, 250,000 pcs/day, PPWR ready.

Official 2026 FOB price list for 38/400–70/400 unishell caps: tiers from USD 0.07/pc, liner included, ISO 9001 & TUV verified, PPWR-ready.

Uniseel's 2026 Léko membership explained: how France packaging EPR connects with EU PPWR, what the certificate proves, and what European buyers should verify.

The manufacturing landscape has fundamentally shifted toward precision and automation, particularly in industries where contamination control is non-negotiable. Unisee...

Liquid pharmaceutical products face constant threats from environmental exposure, with oxidation being one of the most damaging degradation mechanisms. An ihs liner se...

Creating an embossed logo on metal closures and containers requires sophisticated industrial machinery and precise engineering. High-speed precision stamping lines rep...

An embossed logo represents far more than a decorative surface treatment on packaging or closures. In today's competitive market, where consumers encounter brands acro...

Defective ihs liner seals represent a critical quality control challenge in modern production environments. When an ihs liner fails to seal properly, it compromises pr...

The integrity of packaged products depends heavily on effective sealing mechanisms that both preserve contents and prevent unauthorized tampering. An ihs liner serves ...

A defective ihs liner can compromise your entire production line and damage your brand reputation. The ihs liner serves as a critical component in sealing pet plastic ...

Can an IHS liner seal an aluminum bottle? Yes, with the right liner spec, a clean finish and proper capping pressure. See Uniseel's technical guide to liner selection ...

Why isn't my PS liner sticking? Root causes, torque for 38/400 and 45/400 caps, temperature limits, storage tips and a 6-point troubleshooting checklist from Uniseel.