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.
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