BRIEF-Citychamp Dartong's unit to buy stake in battery firm for 143 mln yuan

April 6 (Reuters) - Citychamp Dartong Co Ltd

* Says unit plans to buy 1.3 percent stake in battery firm

for 143 million yuan ($20.73 million)

Source text in Chinese: http://bit.ly/2oMn3jn

Further company coverage:

($1 = 6.8975 Chinese yuan renminbi)

(Reporting by Hong Kong newsroom)