"Quality first, Honesty as base, Sincere service and mutual profit" is our idea, in order to develop continuously and pursue the excellence for Co:Ma, 200 Nm To 2300 Nm Filters, Mulit-Cystal Material, Lutetium Aluminium Garnet Doped With Praseodymium,Erbium,Chromium Doped Yttrium Scandium Gallium Garnet. We have now ISO 9001 Certification and qualified this item .in excess of 16 years experiences in manufacturing and designing, so our items featured with best quality and competitive selling price. Welcome cooperation with us! The product will supply to all over the world, such as Europe, America, Australia,Vietnam, Nairobi,Bhutan, Brazil.Now, we professionally supplies customers with our main products And our business is not only the "buy" and "sell", but also focus on more. We target to be your loyal supplier and long-term cooperator in China. Now, We hope to be the friends with you.