About Us
High T Technologies, LLC is an innovative company specializing in development of new technologies of growth and high temperature processing of carbon materials and structures.
Our strength is the design and production of all-carbon high temperature furnaces for LPHT treatment of diamond.
What Can We Do for You?
Our main area of activity is the design and fabrication of all-graphite furnaces for high temperature processing of materials in carbon environment.
We also provide consultations on research and technology of processing of carbon materials and structures.
Equipment 
Learn about our all-graphite furnaces for high temperature processing of materials in carbon environment, for example, furnaces for LPHT treatment of brown CVD diamonds.
Services
Learn more about our consultation offers on research and technology of processing of carbon materials and structures, for example, on color treatment of natural and synthetic diamonds.
News
Check out our blog to learn more about exciting news and publications about HPHT and LPHT Treatment.