Shenzhen City of transport line Optoelectronics Technology Co., Ltd. is a LED lamp beads, beads company traffic lights, LED purple lights, emission control, mouse lamp beads and other professional production and processing, has a complete and scientific quality management system. Integrity, strength and quality of the Shenzhen City of transport Optoelectronics Technology Co., recognized by the industry. Welcome friends to visit, guidance and business negotiation. (more>>)