Anhui Wanyi Science and Technology Co., Ltd. provides precision scientific instruments and solutions in China and internationally. Its products include industrial testing instruments such as helium leak detectors, pressure decay leak detectors, and vacuum chamber leak detection systems; online monitoring instruments for water quality, air, pollution sources, and industrial processes; and laboratory analytical instruments for chromatography, mass spectrometry, and spectrometry. The company also offers chromatography consumables, including ion and liquid chromatography consumables, as well as medical instruments such as minimally invasive tools. Founded in 2003 and headquartered in Hefei, China, it serves sectors including medicine, environment, energy and chemical, automotive, semiconductor, public security and justice, scientific research, home appliance refrigeration, electric power, geology and metallurgy, cosmetics, food, and smart industry, environment, and laboratory industries.