Guangde Rocket Launch Site (simplified Chinese: 广德火箭发射场; traditional Chinese: 廣德火箭發射場; pinyin: Guǎngdé Huǒjiàn Fāshè Chǎng) also known as Base 603 (603基地) is a suborbital launch site that was operated by the Chinese Academy of Sciences located in Shijiedu (誓节渡), Shijie Town (誓节镇), Guangde County, Xuancheng Prefecture, Anhui province on the Chinese east coast.