AnHui Wanyi Science and Technology Co.,Ltd. provides precision scientific instruments and solutions in China and internationally. It offers industrial testing instruments, including helium leak detector, pressure decay leak detector, and vacuum chamber leak detection system; online monitoring instruments, such as water quality, air, online pollution source, and industrial process monitoring products; and laboratory analytical instruments comprising chromatography, mass spectrometry, and spectrometry. The company also provides chromatography consumables, which include ion, liquid, and other chromatography consumables; and medical instruments, such as minimally invasive tools. In addition, it offers various solutions for medicine, environment, energy and chemical, auto, semiconductor, public security and justice, scientific research, home appliance refrigeration, electric power, geology and metallurgy, cosmetics, and food, as well as smart industry, environment, and laboratories industries. The company was founded in 2003 and is headquartered in Hefei, China.