BRIEF-Tsinghua unigroup says it never participated in bid for Toshiba chip business

March 30 (Reuters) - Tsinghua Unigroup:

* Says media reports of it bidding for Toshiba Corp's

chip business are pure rumours and groundless,

according to a statement on its website

* Says it "never participated in the bid and related

matters"

Source text in Chinese: http://www.unigroup.com.cn/newscenter/jtxw/2015/0623/152.html

Further company coverage:

(Reporting by Sijia Jiang)