With dependable high quality approach, great reputation and excellent customer support, the series of products and solutions produced by our firm are exported to lots of countries and regions for Hearing Threshold, Speed Of Light, Disc Polarimeter, Fourier Spectrometer,Free Fall. The concept of our corporation is "Sincerity, Speed, Services, and Satisfaction". We're going to follow this concept and gain more and far more customers' pleasure. The product will supply to all over the world, such as Europe, America, Australia,Norway, Mumbai,Barcelona, Spain.With more than 9 years of experience and a professional team, we have exported our products to many countries and regions all over the world. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.