The Tianjin branches of China Unicom and China Mobile said they were owed Yn300m by subscribers, according to a report by eastday. com. The claim was made a few days after MII said that the country's six telecoms operators were owed a total of Yn20bn.
False or stolen identity cards used to sign up for handsets were cited as the main way of evading call charges. Many users who move house also fail to settle debts. Both companies said that the establishment of a personal credit system was needed to avoid a further build-up of debts.