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Elegant Space & Joyful Life, Korea’s No.1 Windows & Door Brand Namsum Aluminum, 70 Years of Technology and Reputation.

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Aluminum Company with

73 Years of Experience

Namsun Aluminum is a specialized aluminum company that has been a leader in the development of the aluminum industry since its establishment in 1947. Based on strong foundations and process technology expertise, we produce and sell extruded products in a variety of fields, from residential windows to industrial structural materials.

Korea’s Best Window Manufacturer

We are now the most loved window manufacturer in Korea with our premium window brands “Windart” and “Gaan Chassis”. We are leading the advancement of the domestic industry through technology development and management innovation; we are striving to develop improved windows with the opening of the KOLAS window performance test center.

Business Introduction

Leader in the Aluminum Extrusion Industry

One of the most unique features in Namsun Aluminum is the one-step system where all processes are collectively carried out from casting to manufacturing – various extruded aluminum products are produced by this system, including aluminum windows, curtain walls and industrial structural materials. We are actively targeting the domestic and overseas markets through our 300 distribution networks, with a focus on our windows and PVC windows. In 2017, our window performance test center was recognized as an internationally accredited certification body approved by KOLAS. By focusing on the development of high-performance windows, we are now recognized as Korea’s No. 1 window brand.