Import Tariff number, i.e. the HS Code for Finished JY import to Thailand / Export from China under FTA. This might help Form E department to track the exports from China under FTA to Thailand. Example, HS Code : 7113191100 for 18K Jewellery with diamond, This is what we used when we declare our goods during export / custom book. Is it the same HS code you use for importing gold/diamond jewellery from China.