You can ship the promotional materials along with the goods in one container as under:
1. Indicate number of shippers for promotional materials in the Bill of Loading (the total of shipper will= #shipper for medicines + #shipper for Free promotional goods)
2. Describe same in the packing list at the end as ‘’# box FREE PROMOTIONAL GOODS containing 1,000 stickers of Hizone, 1,000 stickers of Triam and 700 pens of Hizone’’.
3. Put very small value for custom purpose on the commercial invoice as ‘’Free Promotional goods, Value only for custom purpose $ 50’’
Thanks and Best Regards,
Ermias