Innovation, excellent and reliability are the core values of our company. These principles today much more than ever form the basis of our success as an internationally active mid-size business for LRF Er, Interference Filters, Erbium And Ytterbium Co-Doped Phosphate Glass, Mulit-Cystal,Q Switch Nd Yag Laser Crystal. Customer satisfaction is our main goal. We welcome you to establish business relation with us. For further information, please don't hesitate to contact with us. The product will supply to all over the world, such as Europe, America, Australia,United States, Angola,Zambia, Kenya.We adopt advanced production equipment and technology, and perfect testing equipment and methods to ensure our product quality. With our high-level talents, scientific management, excellent teams, and attentive service, our products are favored by domestic and foreign customers. With your support, we will build a better tomorrow!