Luoyang Sigma Instrument Manufacturer Co.,Ltd, was founded in 1996, located in High-tech Development Zone of Luoyang city, which is specialized in R&D, manufacture and sale all kinds of muffle furnace, industrial furnace, tube furnace, vacuum furnace, high temperature furnace, etc. Up to now we have got 30 technology patents and intellectual properties. As the manufacturer we can provide the OEM/ODE service, and we have passed the ISO 9001:2008 Quality control management certificates.

Diboride and zirconium composite ceramic heating element and diboride and zirconium composite ceramic thermocouple, which are development by our company in 2010, the maximum working temperature can reach to 2600degree Celsius. This kind of ultra high temperature sensor can work under both vacuum and oxidizing atmosphere, this technology made the history of measuring the maximum temperature in contact-type under oxidizing atmosphere.

In 2010, our company founded High Temperature Sintering Experiment Engineering Technology Center, can be engaged in various sintering experiment at range of 1000-3000degree Celsius, became the first open high temperature laboratory to domestic and abroad in China.

Our sigma company with meet the full satisfactory needs of customer as the service concept, has praised by users.