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Resources · Knowledge before claims

Useful detail before every project conversation

Technical notes, product guides and installation considerations adapted for international buyers, architects, contractors and distribution partners.

Technical note
Technical values remain subject to the identified model, test specimen, current documentation and destination requirements.

Technical library

Downloads & project files

Specifications, CAD / BIM, installation guidance and verified evidence.

For design teams

Architect support

Opening review, coordination sequence and project-specific technical support.

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12 articles

Project story

Engineered for the Bohai Coast

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Technology

A closer look at the carbon-steel thermal-break approach

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Company principle

Value Engineering Without Diluting the Brief

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Design guide

Designing an Entrance Around the Interior

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Technical note

How to Read Thermal and Acoustic Door Claims

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Product guide

When an all-aluminium armored entrance makes sense

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Event

What We Learned at the 2026 Yongkang Door Expo

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Quality control

From Finish Sample to Final Inspection

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Company principle

Four Principles Behind an EPIN TOMCIM Project

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Brand story

Why EPIN TOMCIM Starts with the Building Envelope

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Product guide

Steel–aluminium armored entrances: structure, security and finish

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Installation guide

Armored entrance-door installation: a project checklist

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