Where is Nortel's shipment volume ranked?

Nortel communications ranked fifth in terms of shipments. Since the establishment of Nortel's smart wearable product line, 8 projects have been completed by the end of September, with a shipment of 460,000 units. Among them, the OPPOROCK project achieved its first shipment on July 8, and the shipment in the past three months reached 350,000 units.