TOSTEM Indonesia, part of PT. LIXIL Aluminium Indonesia, provides aluminium building products and lifestyle solutions for homes and other spaces. The brand focuses on combining design, performance, and quality, with an emphasis on creating seamless, comfortable living environments. Its products are developed and manufactured with attention to consistent quality and performance.

TOSTEM’s range includes aluminium windows and doors, interior doors, entrance doors, and exterior products. Featured collections include ATIS, WE PLUS, WE 70, VIEW and VIEW PLUS, EZ, MATSU, IN16, and GIESTA. The company highlights practical performance features such as resistance to wind pressure, water tightness, air tightness, and noise insulation, helping support protection and indoor comfort.

Customers can explore product catalogues, references, and a virtual showroom, and use GIESTA design simulation. TOSTEM also offers project support and enquiry options for services such as catalogues, quotations, and meetings, serving homeowners, architects, contractors, and developers. Its showrooms and studios are located in Jakarta, Surabaya, Tangerang, Medan, Bali, and other areas.