"Based on domestic market and expand overseas business" is our development strategy for China Zgp Crystal and Nonlinear Crystal, Er Yb Glass, Er Glass, Optical Crystal,Erbium Yag. We focus on generating own brand and in combination with a lot of experienced expression and first-class equipment . Our goods you worth have. The product will supply to all over the world, such as Europe, America, Australia,Botswana, Malta,Liberia, Angola.We insist on the principle of "Credit being primary, Customers being the king and Quality being the best", we are looking forward to the mutual cooperation with all friends at home and abroad and we will create a bright future of business.