The Gainer library

Explore the collection.

Meet the 2026 range in our English guide, or open the original catalogues for the wider collection and technical drawings.

Read our company profile in English
2026 standard collection · English guide

One collection.
Your material expression.

Start with your preferred surface, then explore compatible frames, colours and handles. Every standard door arrives assembled with its selected standard handle and matching hinges.

Original Gainer publications

The catalogue library.

Each publication is labelled by language. For current pricing and enquiries, use the contact details on this website.

Product catalogue original catalogue cover
English-led · bilingual product labels

Product catalogue

Aluminium door systems, profiles, hardware and material collections.

PDF · 37 pages · 64.7 MB

Whole-house systems original catalogue cover
English / Chinese

Whole-house systems

The overseas portfolio, with company background and wider interior systems.

PDF · 38 pages · 33.4 MB

2026 new products · original original catalogue cover
Chinese technical original

2026 new products · original

Original drawings, profiles and fittings. Use the English collection guide above to explore the range.

PDF · 11 pages · 9.4 MB

Looking for something specific?

Send a reference, profile or material sample. We can help you find a similar existing frame or discuss a custom finish.

Ask Gainer