Prefab buildings - Brunei Fertilizer Industries Project, Brunei. Melchers offered a complete 2-floor prefab house with steel structure for Brunei Fertilizer Industries Project, including Site office 1 & 2 buildings and First Aid  Building and the following support for the performance of construction activities. Not only supervision technicians from the manufacturer assisted for the installation, but also Melchers’ own supervision team. The installation of required prefab buildings also required local workers to complete the entire project.