We enjoy an extremely good status among our prospects for our great merchandise top quality, competitive price and the ideal service for Experimental System for Polarized Light, Verdet Constant, Fiber Communication, Velocity Of Light,Lambert"s Cosine Law. Our Enterprise Core Principle: The prestige 1st ;The quality guarantee ;The customer are supreme. The product will supply to all over the world, such as Europe, America, Australia,Florence, Macedonia,Munich, Greenland.Our faith is to be honest first, so we just supply high quality products to our customers. Really hope that we can be business partners. We believe that we can establish long time business relationship with each other. You can contact us freely for more information and pricelist of our products !