Thai-Aust Aluminium Company Limited was founded as a joint venture between LHM Group (Thailand) and Bransley (Australia) in 1996. The company manufactures ready-to-use aluminium for building and residence construction under the trade name of Trustand.

Thai-Aust Aluminium offers a variety of products such as Trustand Window, Trustand Louvre by Breezway, and Trustand Do-it-yourself Ezy Window. All products are internationally standardized for their maximum durability, contemporary design, and assemble simplicity.

Trustand products are chosen by numerous major housing development enterprises like Land & House Public Company Limited, Preuksa Public Company Limited, Sansiri Public Company Limited, and more than 15,000 households, office buildings, hotels, and resorts across Thailand.