Quality First,and Customer Supreme is our guideline to provide the best service to our customers.Nowadays, we are trying our best to become one of the best exporters in our field to meet customers more need for 900nm Short Pass Filter, Polarized Filters , Fused Silica Glass Lens , Fused Silica Glass Window ,Ir Longpass Filter . If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future. The product will supply to all over the world, such as Europe, America, Australia,Vancouver, Paraguay,Singapore, Nairobi.Now, with the development of internet, and the trend of internationalization, we have decided to extend business to overseas market. With the propose of bringing more profits to oversea customers by providing directly abroad. So we have changed our mind, from home to abroad, hope to give our customers more profit, and looking forward to more chance to make business.