Beijing Xun Tianyu provide special fiber optic main agent of foreign high-end products including specialty optical fibers, high temperature optical fiber, polarization maintaining fiber, photosensitive fiber, high numerical aperture of the fiber, dispersion compensation fiber, high Raman gain fiber, infrared optical fiber, doped fiber, etc. Also agents of various foreign optoelectronic products, please consult Beijing Xun Tianyu Optoelectronic Technology Co. Email: fiberskyray@163.com Tel: + 86-010-82379330 Ex 812 Fax: + 86-10-82378090 http: // www. skyrayoe.com/ Address: Beijing Shijingshan District double Hongchang Business Park Road, No. 1, Building 1, 603