In foreign trade , exporters have to adjust their product in a timely manner .   How to adjust ?   Exporters must ensure that their product satisfies customers ' needs , wants and likes .   Ah , some products are successful at home , but not be popular overseas .   That's because the fashion , taste and social customs and so on vary considerably .   Yes , sometimes the differences are great .   Well , we should be in accordance with national conditions and adjust the product .   We have to ensure that the product should be attractive to guarantee sales . 