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FOBOM brand provides 400 sets of LCD displays for passenger information system of Taizhou Metro Line S1, and three sets of 70 M2 cob display screens for command center of special communication system. It adopts the new generation of flip chip series cob packaging technology of miniled products. Flip chip cob as the latest LED packaging technology, simply summarizes the advantages of cob: shockproof, anti-collision, moisture-proof, dust-proof, front water-proof Extremely low out of box defect rate, super long trouble free use time.