RuiSheng Acoustics Science and technology (Changzhou) Co.,Ltd.

We are one of the leading manufacturers focusing on the design and production of miniature acoustic components, which are used in mobile phone handsets, MP3 players and other consumer handheld devices. We sold approximately 243 million miniature acoustic components in 2004 . Since commencing operations in 1993, we have grown our customer base and expanded our product portfolio. Our products are used by leading global mobile phone handset and consumer electronics OEMs, including Motorola, Sony -Ericsson, Kyocera, UTStarcom, Creative Technology and Nintendo. We provide a broad range of acoustic products, including miniat- ure receivers, polyphonic speakers, multi-function devices, speaker modules, ECM microphones, headsets and transducers.