2002年8月5日,扬州市邗江区汊河镇。扬州新世纪黑豚公司的部分联养户持该公司的欠条要求兑付现金以及回收子豚,发现该公司实已破产,无力兑现。8月6日、7日、8日,河北、湖北、北京等地的数百名养殖户蜂拥至汊河镇,不仅哄抢了该公司的财物,还到当地区镇两级政府上访,至此,“黑豚 August 5, 2002, Yangzhou Hanjiang River town. Part of the Yangzhou New Century Black Dolphin Co., Ltd., holding the company’s IOUs for cash and recycling the dolphin, found that the company was bankrupt and could not cash it. On August 6, 7 and 8, hundreds of farmers in Hebei, Hubei and Beijing flocked to Bahe Town, which not only looted the property of the company, but also petitioned the government of the two levels in the local towns and townships. At this point, "Black dolphin