It is one of the main manufacturers in China for the production of aneroid sphygmomanometer,mercurial sphygmomanometer, digital blood pressure monitor and stethoscope.There are varierty of sphygmomanometers with many different colors. All these are sold overseas, just as German, Italy, England, America, South Africa and Middle East. The trade mark of "BOKANG" has been registered in China and more than other 20 countries all over the world.