Bangunan STM Stania dulunya bernama AC (ambacht cursuus) adalah salah satu heritage di Bukit Samak Manggar - Belitung Timur. Sekolah AC didirikan oleh Pemerintah Kolonial Belanda pada Tahun 1928. Seiring pengembangan sektor pariwisata di Pulau Belitung umumnya, bangunan yg lebih kecil disebelahnya direncanakan akan difungsikan menjadi Galeri Sejarah Pertimahan Belitong.
STM Stania (vocational engineering school) building nowadays, used to be AC (ambatch school) building. The building is one of the heritage that built by dutch colonial period on 1928. Through the development of tourism sector in Belitong Island generally, a smaller building that located next to main building is planed to be a Belitong's Tin Historical Gallery.