ZABKZ (Obik) is a professional public broadcasting company affiliated to the industry leader Guangzhou DSPPA Audio Technology Co., Ltd. Its products are widely used in airports, high-speed railways, safe cities, wireless disaster warnings, high-rise buildings, star-rated hotels, colleges and universities, CBD urban complexes, ecological parks, etc. ZABKZ (Obik) has won unanimous praise from users for its rock-solid quality and well-known brand image. DSPPA's advanced science and technology combined with localized production costs have made ZABKZ (Obik) public broadcasting have an incomparable high cost-effectiveness, with sales channels all over the world and more than 200 service outlets in the domestic market.

DSPPA has been focusing on audio and video technology for more than 30 years. By establishing cooperative relationships with major domestic research institutes and universities, it has established its leading technology advantage in the industry. DSPPA has many high-tech talents with doctoral and master's degrees. With outstanding technological innovation capabilities and a strong scientific research team, it has independently developed a large number of high-tech products with international leading levels. It has hundreds of national patents of various types. The intelligent digital media matrix has been included in the national " Ministry of Culture Science and Technology Innovation Project " , the phased array speaker system has won the " Guangdong Provincial Science and Technology Award " , and dozens of products have been recognized as " Guangdong High-tech Products " . In 2015 , the Guangdong Provincial Department of Science and Technology recognized DSPPA as the " Guangdong Public Broadcasting Engineering Technology Research Center " ; in 2016 , the Guangdong Provincial Science Popularization Center and DSPPA " co-built an experiential science popularization base " . DSPPA has also become the most innovative company in the industry due to its great contribution to the industry.

DSPPA Technology Park , a professional R&D and production base covering an area of ​​nearly 100,000 square meters , is a garden-style production center with a beautiful environment. Its software and hardware are world-class, the largest in China, and the world leader. It has a complete ERP resource management system and is produced in strict accordance with ISO international quality system standards. In addition, its products have passed the EU's CE safety certification, the US federal UL safety certification, and the EU's most authoritative ROHS mandatory environmental certification. DSPPA regards quality as its life, has always taken the route of fine products, and adheres to the correct concept of " promoting development with innovation and winning the future with quality " . The company has also purchased internationally leading production and testing equipment such as placement machines, high and low temperature testers, metal analyzers, and vibration drop testers. International standards ensure the quality of DSPPA products.

DSPPA has a strong marketing team and has established 24 offices across the country to provide customers with high-quality services, real product experience and rapid after-sales feedback. Since its establishment, the ABK brand has quickly established a marketing network across the country, and its products are sold well in various cities across the country.

Taking the initiative to assume social responsibility has always been an indispensable creed of DSPPA. Under the leadership of Mr. Wang Heng, the camel owner, the company has donated campus radios to many schools and donated money to rebuild schools in disaster areas during its continuous development. In order to report to the society, Mr. Wang Heng built bridges and roads for his hometown, donated teaching buildings and libraries, and sponsored poor students for a long time, doing his best for the education cause of the motherland. He also spared no effort to donate nearly 1,700 priceless "Guangzhou Thirteen Hongs" cultural relics such as Cantonese porcelain, jade products, ivory products, Cantonese embroidery, high-quality solid wood furniture, paper-cut paintings, silverware, and bronzeware that he had carefully collected for more than ten years to the Guangzhou Thirteen Hongs Museum. These cultural relics are of great significance to the in-depth study of the historical commercial port, and will have a far-reaching impact on the humanistic and cultural construction of Guangzhou and even China.