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Changsha Xinkeyuan Instrument Technology Co., Ltd., established in 2014, is a company specializing in the research, development, and production of coal quality testing instruments; coal analysis equipment; and coal quality analysis instruments and meters. The company primarily deals in coal quality analysis products, coal testing instruments, coal detection equipment, coke testing instruments, and coke testing equipment. Main products include: calorimeter series, activated carbon series, sulfur determination analyzer series, muffle furnace series, moisture analyzer series, caking index analyzer series, plastometer series, hydrogen determination analyzer series, industrial analyzer series, Hardgrove grindability index analyzer series, ash fusion point determination analyzer series, drum machine series, crusher series, sample preparation machine series, and more. The products are widely used in industries and departments such as power generation, coal, metallurgy, petrochemicals, environmental protection, geology, cement, universities and colleges, and technical supervision, as well as in laboratories and testing facilities.