نانتونغ Dowser التكنولوجيا الحيوية المحدودة，لأي دعم آخر. is an innovative engineering technical company. It has two brand focusing on mixing& reacting industry for fine chemicals. One is Duplexx deal with flowreactor, has the equipment as micromixer, مفاعل مجهري, tube reactor, static mixer and the whole flowracting set from lab to industrial