Hebi Sanyuan Technology Co., Ltd. is a leading joint-stock technology enterprise specializing in the research, development, production, and sales of coal quality analysis instruments, coal testing equipment, and laboratory equipment. The main products of the coal quality analysis instruments and coal testing equipment produced include calorimeter series (coal calorific value), sulfur analyzer series, sulfur analyzer series, coal quality analyzer, coal testing equipment, crusher series, ash melting point tester, microcomputer moisture analyzer, automatic industrial analysis series, muffle furnace series, box type high-temperature furnace series, * * expansion number tester, Oya expansion degree tester, slagging tester, coal activity tester, and coal ignition point tester. Coal testing equipment and coal quality analysis instruments are widely used in laboratories and laboratories of coal, power, chemical, metallurgical, geological, college and technical supervision departments. Hebi Sanyuan Technology Co., Ltd. strictly operates in accordance with the ISO9001 quality certification system in the research, production, and sales process, ensuring that every product of the Sanyuan brand becomes the * * of customers, ensuring the safe and reliable operation of products, and making indelible contributions to China's coal mining and utilization industry. The company takes user needs as its mission and is responsible to users as its purpose. It absorbs valuable opinions from users and continuously improves and innovates its products in practice. Integrity is paramount, and timely service is provided. It enjoys a high reputation among users and peers. The company relies on modern, scientific, and advanced marketing management concepts to establish a comprehensive and meticulous sales and after-sales service network system, providing customers with professional and systematic high-quality services in all aspects. At the same time, it also has a group of highly qualified professionals who have received professional training in production, management, marketing, and other areas. Hebi Sanyuan strives for survival through quality, relies on technology, and seeks efficiency from management. The company adheres to the business philosophy of putting everything for the user. The company's products are unconditionally implemented: one month return guarantee, three months replacement guarantee, twelve months warranty, and lifelong high-quality service!