The seller alleged that the buyer was guilty of a number of breaches of its contractual obligations and, on 28 June 2002, notified it of the non-renewal of the contract as of 31 December 2002.
卖方声称，买方数次违反合同约定的义务，因此于2002年6月28日通知买方从2002年12月31日起合同将不予续签。