which is reformed from Hebi City Huanuo Instrument and Meter Plant which research and develop analytic instruments by former Ministry of Coal Industry. It is a high and new tech enterprises specialized in developing and producing coal quality collect and process analytic instruments.Coal quality analytic product mainly includes: Calorimeter series, Sulfur detector series, Muffle Furnace series , Moisture meter series, Bond index locator series, Glial layer locator series, Hydrogen gauge series, Industrial analyzer series ,