Established in 2014, Grandex Door Solutions Co., Ltd. is a premier entry door manufacturer operating from a modern 35,000 m² facility. With 16 years of industry expertise and 8 years of dedicated export experience, we generate an annual export revenue of USD 28 million. We serve leading developers and contractors with rigorous ISO 9001 quality standards and a 45-member QA team.
Send Inquiry NowIstanbul, as a transcontinental hub, requires door systems that withstand both high-density urban traffic and specific seismic safety codes. Our "Escape Door" range is engineered for the unique structural requirements of Istanbul’s industrial zones like İkitelli and Tuzla. We integrate fire-retardant core technologies with climate-adaptive finishes that handle the humidity of the Marmara region effectively.
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Performance testerWe are transitioning into IoT-integrated access control for our export doors, enabling predictive maintenance alerts via smart-gate modules. By 2026, all export-ready escape doors to the Turkish market will feature AI-driven panic hardware sensors.
We collaborate with local regulatory agencies and ensure our doors carry the necessary fire-rating certificates (EN standards) compatible with Turkish building regulations.
Leveraging our 1,200 partners and optimized logistics, we provide door-to-door transit reliability for major Istanbul construction projects.