ZZG is a Passenger Information Display System (PIDS) OEM and ODM in Shenzhen, China. ZZG specializes in public transportation solution, especially in Bus. We are IATF16949 certified, compliant with ECE-R10 and other global standards and meet global and regional market requirements. With our expert team and decade of experience, we are able to provide global customers with stable, quality, highly customizable, highly compatible on-bus LED/LCD solution.