Various window/door frames are available. They can be painted or unpainted. 　

Advantages:

• Light Weight
• High Strength
• Durable and Long Service Span.
• Corrosion Resistant and Maintenance Free.
• Competitive Price
• Variety of Colors for Choice.
• Lasting Performance
• Excellent Structural Properties
• Environmentally Safe
• Electrical and Thermal Insulation
• Dimensional Stability