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DSPPA has obtained many types of certificates for quality warranty, such as ISO9001 authentication, China Compulsory Certification (CCC) certificate, CE certificate, and CB certificate etc.

Our company has advanced production equipments and world-class standard inspection instruments, such as
ROHS Tester
EMC Test Chamber
Constant Temperature and Humidity Chamber
Salt Spray Tester
Vibration Test Machine
Anechoic Test Chamber
Accelerated Weathering Test Chamber
High-Low Temperature Test Chamber
EMI Tester
etc. DSPPA has a team of special engineers or technicians in order to assure the high quality of our products, and also has strict scientific quality control systems, which make sure of high quality of our products.

DSPPA, a professional PA system manufacturer, is engaged in providing different public address systems for different applications. Our public address systems mainly include portable public address system, car public address system, school address system and more. These products come with high performance and low prices. Therefore, they find a wide range of applications in applications like universities, schools, hotels, communities, supermarkets, parks, factories, outdoors plazas, gymnasiums, office buildings, bus or railway stations, subways, airports, government institutions, exhibition halls, sightseeing spots, etc. At Guangzhou city, we welcome public address system manufacturers and purchasers to visit us and know more about our quality products.