� HeBi City Huanuo Electron Science and Technology Co., Ltd, which is reformed from HeBi City Huanuo Instrument and Meter Plant which research and develop analytical instruments by former Ministry of Coal Industry. It is a high and new tech enterprises specialized in developing and producig coal quality collect and process analytical 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 , Milling Exponent Determiner series, Ash fusion point series determination meter series, Drum Machine series, Crusher series, Sampling machine series and so on. The products are widely used in different induries and departments� laboratory, such as electric power, coal, metallurgy, petrochemicals, environmental protection, geology, cement, colleges and universities and technical supervision.