On Sept. 10, Key Accout Manager Mark Altwein and Product Manager Samuel Yin from Heraeus Quarzglas HmbH & Co. KG, Germany visited Shanghai Institute of Optics and Fine Mechanics, CAS.The director of SIOM, Prof. Zhu Jianqiang hosted them hospitably and briefly introduced Shanghai Institute of Optics and Fine Mechanics, CAS.Dr. Mark Altwein gave a presentation on their products. At last, Heraeus Quarzglas HmbH & Co. KG and Shanghai Institute of Optics and Fine Mechanics,CAS made an initial agreement on the products of quarzglasses.