Shandong Lunan Ruihong Chemical Instrument Co., Ltd. (formerly known as Shandong Lunan Chemical Instrument Factory), founded in September 1969, is a member unit of the China Instrument and Meter Industry Association, a member of the Chinese Chromatography Society, and a designated large-scale precision analytical instrument professional manufacturer by the former Ministry of Chemical Industry. It is one of the three major manufacturers of chromatography instruments and one of the first high-tech enterprises in Shandong Province. In 2014, it was rated as a key high-tech enterprise in the National Torch Plan; The company's R&D center is a provincial-level enterprise technology center and chromatography engineering technology research center in Shandong Province, capable of independently undertaking the design and development of various large-scale analytical instruments, application innovation, and establishment of analytical methods; We have established a sound quality management system, environmental management system, and safety management system, and have passed GB/T 19001-2016 GB/T14001-2016 International Quality and Environmental Management System Certification; The company's products have been awarded the title of "Shandong Famous Brand" for five consecutive years in 2002, 2005, 2008, 2011, and 2016. The company integrates product design, development, production, sales, and service, and has formulated a long-term business strategy. It has high-quality human resources and abundant material and financial resources. The company has more than 500 employees, with engineering and technical personnel with senior professional titles accounting for more than one-third of the total number of employees. The after-sales service network covers provinces, municipalities, and autonomous regions across the country, and responds promptly to service needs. The company has strong scientific research capabilities and has established research and development centers in its headquarters, Beijing, Shanghai, and Hefei. The independently developed SP-502 gas chromatograph has won the "National Science and Technology Progress Award", "Shandong Province Science and Technology Progress First Prize", and "National Science Conference Award", and has been listed by the Ministry of Chemical Industry as a substitute for imported products. The SP-6890, SP-2000, SP-7890, SP-7820 gas chromatographs, LC-1000D liquid chromatographs, and RZF-3000 pyrolysis component geochemical analyzer have been listed as "National Key New Product Projects" and have won provincial and municipal science and technology progress awards. They have also received support from the National Science and Technology Innovation Fund multiple times. In 2018, the "Thermal Conductivity Cell Detector" was awarded a national invention patent. The environmental online chromatography (industrial explosion-proof), portable chromatography (vehicle mounted), gas chromatography-mass spectrometry (GC/MS), GC-8850 with full electronic flow and electronic pressure control, and GC-8860 high-performance chromatography (EPC) have been mass-produced. Currently, more than 20 varieties of laboratory chromatography, online chromatography, and various professional chromatography series are produced. The company has excellent production line equipment, advanced technology, precise, comprehensive and accurate inspection equipment, and skilled operators; Using national standard substances for finished product index calibration to ensure compliance with national standards. The product has excellent quality and stable performance, winning the trust of a large number of users. It has a wide brand awareness and perfect product reputation, and has been unanimously praised by professionals in the domestic chromatography industry. The products are sold throughout the country and partially exported to Russia, Southeast Asia, and the Middle East. Widely used in various fields such as universities, research institutes, pharmaceuticals, chemicals, petroleum, electricity, pesticides, mines, commodity inspection, public security, environmental protection, disease control, brewing, and food residue inspection.