Sinowon is confident to say that we are the leading professional trader of measuring instruments in China for many years with long experience of together work between foreign customers and manufacturers, we bend ourselves to supply the follows products to worldwide customers. Optical Measuring Instruments Profile projectors, Measuring Microscopes, Video Measuring Systems, etc Industrial Microscopes Stereo Microscopes, Metallurgical Microscopes, Mini Microscope, magnifier, etc Hardness T