MP9822EII Emergency Power SystemMarch 22, 2017MP9822EII is an uninterruptible power supply device with dual conversion, single-phase input and single-phase output. The product is compact in size while with high efficiency and high reliability, wh...view
PC2700 Power AmplifierApril 11, 2017This amplifier is designed for commercial and industrial public address applications.view_400x400.jpg)
MP4000 Classical Series Power AmplifierNovember 30, 2016This class b amplifier is designed for commercial and industrial public address applications.viewwe will contact you within 24 hours.
DSPPA Emergency PA System Applied in Yuanba Gas FieldDecember 14, 2016DSPPA emergency PA system has been applied in Yuanba gas field, which is located in Sichuan province. It is the deepest marine gas field in China.DSPPA technical staff at Yuba Gas FieldYuanba gas fiel...view
Holiday Notice of International Workers’ DayApril 30, 2021Dear partners,According to the notice of 2021 holiday arrangement issued by the State Council, and in combination with the actual situation of our company, the May Day holiday of DSPPA in 2021 is here...view
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