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Since 1970 KRAHNEN-Products apply for maintenance and quality control in the Petrochemical-, Chemical-, Pharmaceutical-, and Food-Industry as well as in explosion protected areas. Our clients appreciate the advantage of integrated overall solutions out of one source and gain from excellent quality and complete service packages. Our scope is equipment for the examination of extract of solid- and screen residue.
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Guangzhou DSPPA Audio Co., Ltd. is a professional audio manufacturer since1988. With more than 30 years' history of designing and manufacturing audio products, DSPPA has enjoyed a high reputation in and out of China. Technology innovations, strict quality and environment control (ISO 9001&ISO14000) and market-oriented products have made DSPPA to be the leading brand in the field of public address system  and  conference  system. As  the  chief  editor  of  the Technical  Code  for  Public Address  System Engineering  of  China,  DSPPA  is  widely  recognized  as  the  largest  and  most  professional  audio equipment supplier in China.

NIVS IntelliMedia Technology Group, Inc., a U.S. public company, owns 100% of NIVS Holding Company Limited, which owns 100% of NIVS International (H.K.) Limited and 97.5% of NIVS (HZ) Audio & Video Tech Company Limited (“NIVS PRC”), our main operating company. Since its establishment in 1998, NIVS PRC has focused on the design, manufacture, sales and marketing of audio and video consumer products.
Our products include digital audio systems, televisions, digital video broadcasting (“DVB”) set-top boxes, DVD players, as well as peripheral and accessory products such as remote controls, headphone sets, and portable entertainment devices (MP3/MP4 players). We have invested substantial resources in the research and development of our intelligent audio and video consumer products, most of which utilize our Chinese speech interactive technology to permit users to control our products through their spoken commands. We combine our Chinese speech interactive technology with traditional video and audio products to form an intelligent audio-visual system consisting of the audio system, TV set and DVB. We currently offer approximately 250 different standard audio and video products and approximately 30 intelligent audio and video products. Our audio products have a solid reputation and established brand name in the PRC, while abroad our products have been named among the most popular brands on consumer websites for several years. Our products are distributed worldwide, including markets in Europe, Southeast Asia, and North America.
NIVS PRC has received various governmental awards with respect to our brand. In 2007, NIVS PRC was ranked 43rd among Forbes’ Top 100 Chinese Research and Development Companies. Beginning in 2005, NIVS PRC’s brand received the “Most Popular Brand” award in the acoustics industry for three successive years. NIVS PRC also received the “Famous Brand in Guangdong” award in 2007. In June 2003, NIVS PRC was honored by the Science and Technology Bureau of Guangdong Province as a “Private High-tech Enterprise” and “High-tech Enterprise,” which is an honor reserved for private enterprises developing new high-technology.