
BELHAJ SONS Factory
Precision Manufacturing for Modern Living
BELHAJ SONS Factory is a specialized manufacturer of high-quality PVC windows, doors, and integrated systems designed for residential, commercial, and large-scale projects.
Based in Libya, we combine modern production techniques, durable materials, and skilled craftsmanship to deliver products that meet international standards and perform reliably in local conditions.
PVC Windows Systems
Performance, Insulation & Modern Design
Our PVC windows are engineered to provide long-lasting durability, excellent thermal insulation, and a clean modern appearance suitable for all types of buildings.
- Sliding, Tilt & Turn, Fixed Systems
- High thermal and acoustic insulation
- Reinforced profiles for structural strength
- Weather-resistant and low maintenance


PVC Doors Solutions
Security, Durability & Style
We manufacture a wide range of PVC doors designed to offer security, smooth operation, and long-term performance for both residential and commercial use.
- Hinged and sliding door systems
- Multi-lock security mechanisms
- Strong and weather-resistant materials
- Custom sizes and configurations
Accessories & Hardware
Complete Systems, Perfect Finishing
We provide a full range of high-quality accessories and components to ensure every installation is reliable, durable, and professionally finished.
• Handles, hinges, and locking systems
• Rubber seals & insulation materials
• Rollers, rails, and sliding mechanisms
• Glass options & finishing components
All accessories are carefully selected to match our PVC systems and guarantee long-term reliability.

