Sunny Optical Technology (Group) Company Limited is an investment holding company. The Company operates in three subsidiaries: optical components, optoelectronic products and optical instruments. The Company is engaged in the design, research and development (R&D), manufacturing and sales of optical and optical-related products. Such products include optical components, such as glass spherical or aspherical lenses, plates, prisms, handset lens sets, vehicle lens sets and other various lens sets; optoelectronic products, such as handset camera modules, security cameras and other optoelectronic modules, and optical instruments, such as microscopes, optical measuring instruments and optical analytical instruments. During the year ended December 31, 2010, optical instruments segment had developed EX20/30 biological microscope and SZX7 parallel light path zoom stereo microscope. On January 4, 2010, the Company acquired 26.16% in Visiondigi (Shanghai) Technology Co., Ltd.