"Based on domestic market and expand abroad business" is our enhancement strategy for filament voltage, Earth"s Magnetic Field, Abbe Imaging, Laser Raman Spectrometer,Millikan"s Experiment. We sincerely welcome friends from all over the world to cooperate with us on the basis of long-term mutual benefits. The product will supply to all over the world, such as Europe, America, Australia,Nigeria, Norwegian,Manila, Monaco.We have established long-term, stable and good business relationships with many manufacturers and wholesalers around the world. Currently, we are looking forward to even greater cooperation with overseas customers based on mutual benefits. Please feel free to contact us for more details.