Hezare Sevom Ltd. is an Iranian manufacturer in Tehran that designs, develops, and sells electric furnace, SiC ceramics and transparent vacuum systems. This company established in 1996 by many researchers from K.N toosi and Sharif university of technology.Hezare Sevom is the first producer of SiC ceramics in Iran. The SiC ceramics uses in high temperature technology. Researchers, universities, and industries construct Hezare Sevom customers. The most important production of our company are Platinum and quartz products, silver paste, high power resistors and 1500 0C and 1700 0C furnace by capability of work in air, vacuum and neutral gas.Recently, we have produced transparent vacuum systems that uses in thermal evaporation and sputtering method of metal's deposition.