1. According to the inquiry of China Economic Net, the number of factors: double factoring involves the factors of buyers and sellers, and single factoring only involves the export factor underwriting the seller's accounts receivable.
2. Nature of business: Single factoring means that the seller's accounts receivable are underwritten by the export factor alone, and the import factor only bears the risk of bad debts for the export factor, but does not undertake the obligation to collect money from the buyer. Double factoring involves the factoring business of buyers and sellers.