Donghu New Technology Development Zone

Donghu New Technology Development Zone, also referred to as Optics Valley or Guanggu, is a New Technology Development Zone in Wuhan, China. It was established in 1988. In 1991 it was approved as one of the National Economic and [Technological Development Zones] of China. In 2011 it was designated as a New Technology Development Zone for Optical technology, and since then self-labeled as the "Optics Valley" of China.
The Development Zone is situated east of Wuchang District in Wuhan, west of Ezhou, north of Jiangxia District, south of East [Lake (Wuhan)|Donghu (East Lake)].
The authority of the Development Zone has registered "Guanggu" as its trademark since 2009.