Grandex Door Solutions provides high-performance chain winder awning window systems designed to withstand tropical climates while enhancing thermal efficiency. With 16 years of expertise, we serve Indonesia’s growing infrastructure and high-end residential projects.
Indonesia's construction sector is witnessing a paradigm shift towards "Smart & Sustainable Buildings." As a leading exporter, Grandex understands the necessity for corrosion-resistant mechanisms in the high-humidity coastal environments of Jakarta and Bali. Our Chain Winder Awning Windows are engineered with specialized anti-corrosive coatings, aligning with global green building certifications (EDGE/LEED).
Our R&D team of 85 engineers utilizes AI-driven simulation to optimize chain performance, ensuring 20,000+ cycle reliability. This level of quality control, backed by our 45-member QA team, makes us the preferred OEM/ODM partner for Indonesian developers seeking European standards at competitive price points.
A: We utilize marine-grade surface finishes and high-tensile stainless steel components to prevent oxidation in high-humidity tropical environments.
A: Absolutely. Our 85-member R&D team supports full ODM customization, from bespoke dimensions to automated motor integration.