Looking for Alderon From PT. Mitranda Bangun Griya Mandiri. PT. Mitranda Bangun Griya Mandiri selling Alderon and also Genteng Keramik, Atap Alderon, Genteng Bitumen, Atap Spandek, Rangka Atap Baja Ringan, Atap Fumira. For requests and quotations, click Request a Quote button down below.