BRIEF-Hengtong Optic-electric to buy stake in telecommunication engineering firm

March 29 (Reuters) - Hengtong Optic-electric Co Ltd

* Says it plans to buy 31.4 percent stake in

telecommunication engineering firm for 272.0 million yuan

($39.49 million)

Source text in Chinese: http://bit.ly/2oy3dHX

Further company coverage:

($1 = 6.8875 Chinese yuan renminbi)

(Reporting by Hong Kong newsroom)