The deadline for abstract submission to the Joint Conference of the 2009 Symposium on Piezoelectricity, Acoustic Waves and Device Applications and China Symposium on Frequency Control Technology (Spawda 09) has been extended to October 30, 2009. The conference information can be found at http://piezo.hust.edu.cn/spawda09. International participants should send contributions to the following addresses: spawda09 [at] gmail.com; spawda09 [at] yahoo.cn; kyb [at] casic203.com We appreciate your continuing interests and support to the Spawda.