Frequently Asked Questions

General Questions

We offer aluminum windows and doors, including sliding, swing, tilt-and-turn, and system-integrated windows and doors, as well as other materials, for both residential and commercial use.

Yes, our products are suitable for villas, apartments, hotels, retail shops, office buildings, and more.

Our main markets include Southeast Asia and Europe, with clients in Indonesia, Vietnam, Singapore, Germany, and France.

Absolutely. Factory visits are welcome by appointment. We also offer virtual video inspections upon request.

Yes, we can send you a digital catalog, specification sheets, and sample project drawings upon request.

Contact our team with your basic requirements or drawings. We’ll guide you through consultation, quotation, sampling, and production.

Product & Customization

Yes, every order is made-to-measure. We support full customization based on your project specs.

Yes, our system windows use insulated glass units and sealing profiles that meet high thermal and acoustic standards.

Production usually takes 25–35 days, depending on volume and complexity.

Yes, we provide material samples, color swatches, and even full-size prototype samples for approval.

Orders, Logistics & Support

Yes. We support white-label production, logo customization, and branded packaging for OEM/ODM clients.

We package for different quantities and products and are qualified to build wooden racks to prevent damage.

We provide installation manuals, exploded views and remote guidance. On-site support is available for large projects.

All shipments are insured. Please inspect upon receipt and contact us immediately with photos – we will assist with replacement or repair.

You can contact our team via email at customerservice@vallisco.com or via the website contact form. We will typically respond within 6 hours.

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