Si-TECH, INC. is principally a silicon wafer brokerage firm selling 50.8mm to 300mm silicon wafers from coinroll to prime grade from a variety of manufacturers. Si-TECH also provides services such as oxidation and notride to make it a one stop shop for all your wafer and process needs. Along with silicon, Si-TECH also sells gallium germanium and sapphire wafers. Si-TECH has expanded its product line by selling grahene nanoplates and sheets as well as equipment such as sputtering targets,thickness gauges and microscopes. More information can be found at our web site.