The company - - a leading provider of digital video surveillance solutions in China - saw revenues fall by 23.5% to RMB79.1m.

Gross profit for the period was down by 22.1% to RMB42.2m and the group, had cash of RMB37.5m - up from RMB28.6m a year ago.

CEO Xiao Gang said: "Despite the performance of the group in the first half of 2011 being below our expectation, looking at our current contracts and order book, we expect a strong second half year.

"Thus, at this stage we remain confident about our full year results."

At 1:26pm: (LON:BSST) share price was -0.75p at 12.75p

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