With a compact structure of small size and little weight a soundproof shield which has an elegant appearance is easy to be assembled or disassembled and reduces noise level effectively. the sets are operated conveniently. It adopts famous brand engine, advanced generator made designs of ones own and completely sealed automatic voltage regulator(AVR). the performances in which is excellent. the running is reliable. Technical parameter of low noise diesel generating sets rated voltage 400V. rated speed 1500r/min.rated frequency 50Hz. rated power factor 0.8(lagging).