Two stage channel or direct dealing. This is a channel where the good leave the producer directly to the consumer or final user. It is also known as the traditional or normal channel of distribution. In tis type the middlemen are eliminated.
Three stage channel is where goods from the producer passes through one middleman or intermediary to the final consumer.
Four stage channels is a stage where goods from the producer passes through the wholesaler to the retailer and to the final consumer.
Six-stage channel is the stage of distribution that involves international trade. The goods produced, moves from the producer to the importer to the Wholesaler from the wholesaler to the retailers and from the retailers to the consumers.