Aluminum clad WPC windows and doors WPC: wood plastic composite; synthetic wood; Aluminum alloy on the outside frame and WPC on the inside 1. New products, great market potential, 2. Considerable cheaper than genuine wood windows 3. Durable, no fading for 50 years 4. Environmental-friendly and can be recycled 5. water-proof, air-tightness, wind-resistant, heat insulation and low U-value 6. Great craftwork and functional 7. Both commercial and residential, 8. Double tempered insulating glass and Geman hardware 9. Windows and doors style can be customized, 10. Window style: sliding, casement (hinged), folding, tilt and turn, awning window. Windows and doors wrapped with pearl cotton being put in iron rack covered with carton and plastic film.