Nantong Dowser ביוטכנולוגיה ושות'，בע"מ. 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, מיקרו-ריאקטור, tube reactor, static mixer and the whole flowracting set from lab to industrial