Luoyang Sigma Furnace Industry Co., Ltd was founded in 1999, possesses 30 national invention patents and multiple intellectual properties. All the patent technology has been industrialized, applied to the company development and got good social benefit. Sigma is the High-Tech Enterprise assessed by the Science and Technology Department of Henan Province and Advanced Unit for Intellectual Property assessed by government.

Sigma new developed 3000℃ ultra-high-temperature vacuum induction heating furnace, 2400℃ ultra-high-temperature vacuum atmosphere tube furnace, 2400℃ induction smelting furnace, 1600℃ crucible smelting furnace, 2600℃vacuum induction hot-pressed furnace, 2600℃ultra-high-temperature softening-point determinator, 2600℃ ultra-high-temperature melting-point tester, anti-thermal shock test furnace and 2600℃ ultra-high-temperature thermal shock furnace have been broadly applied to industrial and mining establishments and scientific research institutes. We also product sintering and combustion analyzer, thermal gravimetric analyzer, ultra-high-temperature heating elements, ultra-high-temperature thermocouple, thermocouple checking furnace, artificial intelligent box furnace, 1000℃, 1200℃, 1600℃, 1350℃, 1600℃, 1700℃, 1800℃ high-temperature box furnace, 2600℃ ultra-high-temperature heating furnace, bell-type furnace, vacuum atmosphere box resistance furnace, vacuum atmosphere tube resistance furnace, vacuum smelting furnace and so on.

We emphasize enterprise innovation and developing in the innovation. And all the innovative results have brought great economic and social benefits.