国家计委日前发出通知，要求各级价格主管部门严厉查处价格串通、低价倾销、价格欺诈这三类价格违法行为，维护正常的市场竞争秩序。 　　通知对上述三类违法行为作出明确界定。价格串通行为包括经营者滥用市场优势控制市场价格，采取串通、订立协议和建立联盟等方式联合控制价 State Planning Commission recently issued a circular requiring price departments at all levels to severely punish price collusion, low price dumping, price fraud three kinds of price violations, to maintain normal market order. Notice of the above three types of illegal behavior to make a clear definition. Price collusion includes the abuse of market advantage by market operators to control market prices, collusion, agreements and the establishment of alliances and other joint control price