1. importers select the most promising products in various ways, but almost always the final buying decisions are made afterwards, based on the feedbacks of key customers
2. to obtain such feedbacks importers invite their key customers from various areas of the country for a tasting and to present the potential partner
3. if at the time of tasting key customers are present, but the samples has not arrived, then any further effort is useless: importers will have lost face, and the future of the negotiations is irrevocably compromised.
The problem is that in China the carriers do not deliver the sample to the consignee, but to the custom office, where the problems begins