Changsha Friend Experimental Analytical Instrument Co., Ltd. is a high-tech enterprise specializing in the design, R&D, and manufacturing of experimental analytical instruments for the petroleum and energy sectors. It has long served oil refineries, chemical enterprises, oil product and lubrication management institutions, quality inspection and metrology authorities, research institutes, and various laboratory facilities. Guided by the mission of “Making Every Test More Accurate and Traceable”, the company provides stable, precise, and repeatable instruments, equipment, and application solutions for key industry links, helping customers improve experimental efficiency and data credibility.

Friend is committed to pursuing excellence driven by vision. Amid rapid technological iteration and increasingly stringent experimental requirements, the company regards accuracy, reliability, and traceability as the lifeline of its products. It implements standardized R&D, lean manufacturing, and full-process quality control in every procedure, striving to deliver products that withstand re-inspection, adapt to harsh working conditions, and stand the test of time. Such dedication to details and reverence for quality embodies Friend’s craftsmanship spirit and long-term development philosophy.

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Applications in industries such as

petroleum and electricity

Widely applicable for measuring the calorific value of combustible materials such as coal, coke, petroleum, solid waste, and cement black raw materials in departments such as power plants, coal mines, commercial inspection, environmental protection, geological exploration, metallurgy, papermaking, chemical industry, scientific research, education, etc.