para resolver
punto de recompresa：0 -
se queda para el fin del problema
International LED Industry Technology Exchange Conference speakers, mainly from domestic and foreign well-known research institutions, universities and leading business experts and senior engineers, audience participants are mainly large and medium enterprise sector, senior engineers, senior management, senior marketing personnel, Media, society, government officials and so on.
International LED Industry Technology Exchange Conference aims to build for the industry professional, efficient technology exchange platform to facilitate trade and technological exchanges, and promote technological development and innovation for our engineers to provide a medium for the latest technical information, but also for the industry's leading domestic and international Provide a showcase of advanced technology products, excellent solution platform.
