A considerable number of Shenzhen companies participated in the Mobile World Congress (MWC) that took place in Barcelona, Spain from Feb. 26 to 29 to showcase their latest technologies and products. Shenzhen’s Longhua District joined hands with leading enterprises in the district to present cutting-edge technology and products such as power equipment, global positioning systems, wireless local area networks, PDAs and supporting infrastructure at the MWC, aiming to tap the European market and seek potential partners.