HASS (Human-Aid System Supplier) CorporationManufacturer and exporter of glass ceramics for dentistry including lithium disilicate, leucite and zirconia in press ingots as well as cubes and disks for CAD/CAM technology.- Amber® Mill- Amber® Press- Amber® Press Master- Amber® LiSi-POZ- Rosetta® SM- Rosetta® SP- Zirtooth® Series