December 2011.
23.12.2020
R&D Project for large shaped sapphire crystals successfully completed.
Rostox-N successfully completed the R&D project for the developing a technology for automated growing of large scale shaped sapphire crystals in form of ribbons (160-250 mm wide, 5-15 mm thick and up to 500 mm long) and tubes (dia. 50-100 mm and up to 500 mm long).