Liuyang Economic and Technological Development Zone (; abbr: LETZ) is an economic and technical development zone (ETZ) in Liuyang City, Hunan Province, China, one of four national ETZs in Changsha. It is the original Liuyang Industrial Park () created on 10 January 1998. In September 2001, it was renamed to Liuyang Biomedical Park (). In March 2012, it was upgraded to a national economic and technical development zone.About Liuyang ETZ: letz.gov.cn As of 2015, its builtup area covers .Development Report of LETZ in 2016 - 浏阳经开区2016年经济工作报告: liuyang.gov.cn liuyang.gov.cn

The zone is a national biological industry base, located in Dongyang Town, east of Changsha. Its pillar industry comprises biological pharmacy, Information technology and Health food. As of 2015, It has more than 700 registered enterprises. In 2016, the total industrial gross output of the zone hits 100.3 billion yuan (US$ 15.1 billion).跨入“双千亿” 盘点2016浏阳经开区十大新闻: sina.com.cn or rednet.cn; news.163.com

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