Explore our top-tier commercial and residential window & door solutions engineered for maximum durability, structural performance, and aesthetic flexibility.
Analyzing the global shift towards energy efficiency, acoustic insulation, and sustainable manufacturing within the fenestration sector.
Operated from a state-of-the-art 35,000 m² facility, our enterprise delivers high-performance fenestration solutions backed by 16 years of engineering expertise and an annual export revenue scaling USD 28 million.
Over 1,200 Supply Chain PartnersTailored specifically for major real estate developers, commercial contractors, and elite building material distributors across North America and Western Europe, guaranteeing exact structural alignment.
Custom Dimension & Glazing SystemsBacked by strict ISO 9001 certified internal testing protocols and comprehensive third-party laboratory verifications, our dedicated 45-member QA team ensures unmatched durability under extreme weather conditions.
ISO 9001 & Independent Lab VerifiedNavigating regional building codes, thermal standards, and hurricane-impact structural mandates with absolute compliance.
Our vinyl sliding window systems meet rigorous thermal efficiency standards required by North American energy policies, significantly reducing thermal transfer and lowering HVAC operational loads.
Advanced Thermal Break PerformanceEngineered to resist high-velocity wind zones (HVHZ), incorporating Miami-Dade NOA and FPA certified impact-resistant double-tempered glass architectures for absolute safety.
NOA / FPA Certified Impact ProofDriven by an active R&D division with 85 specialized engineers, we launched 120 new window and door designs last year, offering full scale customized project consulting.
85 Specialized R&D EngineersFrom coastal luxury villas to high-rise commercial urban complexes, discover how our vinyl sliding windows perform across diverse environments.
Optimized for multi-story hospitality projects requiring superior soundproofing, effortless sliding functionality, and clean modern aesthetic profiles that complement urban skylines.
Acoustic & Thermal DampeningCorrosion-resistant and impact-engineered specifically for coastal residences exposed to salt spray, intense UV radiation, and severe cyclonic wind pressures without material degradation.
UV & Salt-Spray Resistant ProfilesIntegrated multi-chamber vinyl frames paired with low-E double-glazed glass units to maximize daylight harvesting while minimizing heating and cooling expenditure year-round.
Optimized U-Factor RatingsA transparent look into our 35,000 m² modern manufacturing infrastructure utilizing cutting-edge CNC precision machinery and automated sorting.
Raw Materials
Sawing
Milling
CNC Milling
CNC Drilling
CNC Center
Cutting
Intelligent Sorting
Checking & Packing
Sawing Machine
Milling Machine
CNC Milling Mach.
CNC Drilling Mach.
CNC Center Mach.
Double Head Saw
Sorting Line
Semi-finished Insp.
Performance Tester
Expert answers regarding our manufacturing capacities, international certifications, and customization capabilities.
Our products comply with strict international benchmarks, supported by ISO 9001 certified internal quality management, NFRC energy performance ratings, and Miami-Dade NOA / FPA hurricane-impact approvals for North American markets.
Yes. Supported by an R&D department of 85 specialized engineers, we specialize in OEM and ODM projects, delivering custom dimensions, specialized security locks, unique surface finishes, and decorative glass configurations.
We generate an annual export revenue of USD 28 million, serving clients across North America and Western Europe through a robust supply chain network of over 1,200 verified partners.
Our 45-member QA team performs rigorous inspections across all manufacturing stages—from raw material intake and CNC precision cutting to semi-finished assembly and final performance tester verification.
Discover more high-performance windows and heavy-duty doors built to elevate architectural standards globally.
Grandex Door
