Hebi Tianrun Electronic Technology Co., Ltd. was restructured from the former Hebi Analytical Instrument Research Institute, which was designated by the former Ministry of Coal to develop analytical instruments. It is a high-tech enterprise specializing in the research, development, and production of coal quality sampling, preparation, and analysis instruments. The coal analysis products mainly include: calorimeter series, sulfur determination instrument series, muffle furnace series, moisture determination instrument series, caking index determination instrument series, plastometer series, hydrogen determination instrument series, industrial analyzer series, Hardgrove grindability index tester series, ash fusion point determination instrument series, drum machine series, crusher series, sample preparation machine series, etc. The products are widely used in laboratories of industries and departments such as electric power, coal, metallurgy, petrochemicals, environmental protection, geology, cement, universities, and technical supervision.