"BGN Alüminyum, a subsidiary of Koçulu Holding, reflects the Group’s expertise in engineering, production, and industrial solutions. The company provides reliable, high-quality solutions in aluminum accessories and system components.

Operating with an uncompromising commitment to international quality standards, BGN Alüminyum is the official distributor of Stublina and Hautau in Turkey, bringing products to the market that deliver exceptional durability, longevity, and performance.

Our wide product range is designed to meet all technical needs of modern architecture, including door, window, and sliding systems. The solutions we offer combine durability, safety, and functionality, providing long-lasting value in every application.

Supported by the strong manufacturing background and corporate structure of Koçulu Holding, BGN Alüminyum continues to deliver innovative, fast, and sustainable solutions for architects, fabricators, contractors, and project developers.

Today, our products are used across Turkey and are preferred in both residential and commercial projects for their high performance. As BGN Alüminyum, our goal is to further strengthen our reputation as a trusted brand and continuously elevate our quality and service standards."