The beam quality is most close to TEM00; special metal coating are used on the electrode surface to significantly reduce electromagnetic sputtering and mirror contamination; using new cavity sealing technology.
Beijing EFR Laser S&T Co., Ltd.
Add:  Room 6208,Building 1, No.15 Guangju Street, 
Industrial Development Zone, Tongzhou District, Beijing, China
          
          Zip Code: 101105
Tel.:  +86-10-64361009
+86-15901348506
          Fax: +86-10-64361009
QQ: 2850988359
          E-mail:  admin1@bjefr.com
Contact: Mr. Zhang
Website: www.bjefr.com