What is vietnamese French profiled aluminum?

Aluminum alloy together with French drying electrostatic spray coating technology has created extremely durable aluminum bars. Viet Phap aluminum brand not only exists in Vietnam but also developed in Asian and European countries. On the market today, there are commonly used aluminum systems such as: Vietnamese French system 450 (also known as 4500), system 4400 (also called system 440), system 2600 (or 260), system 1100, …

I. Viet Phap System – Sliding door 2600

II. Viet Phap System – main door 450

III. Viet Phap System – Window 4400