Portugal’s construction sector, particularly in the renovation of historic buildings and the development of sustainable modern residences, has surged in demand for high-performance French windows. As we analyze the market, French windows are not merely aesthetic choices; they represent a bridge between traditional Mediterranean architectural charm and modern thermal efficiency requirements.
Established in 2014, Grandex Door Solutions Co., Ltd. has evolved into a premier manufacturer. With a 35,000 m² facility and 16 years of expertise, we provide the Portuguese market with high-security, energy-efficient window and door solutions that comply with both EU standards and local architectural expectations.
The transition toward "Passive House" standards in Portugal is driving innovation in French windows. Our R&D division of 85 specialized engineers is focusing on:
With 28 million USD in annual exports and ISO 9001 certification, we offer the scale of a global manufacturer with the customization required by high-end architects.
Yes, our 120+ annual new designs and flexible CNC capabilities allow us to handle historic renovations and modern builds alike.
CNC Drilling
CNC Center
Precision Cutting
Intelligent Sorting
QA Packaging
Advanced Sawing
Quality Inspection
Performance Test
Grandex Door
