We can deliver the goods to your warehouse in Guangzhou, but will you send payment USD from Thailand or CNY (RMB) from China ?
If you pay USD from Thailand ,we can do FOB price to Guangzhou ,then you can save some shipping freight USD 163 from China to Thailand .
Then the price is FOB Guangzhou USD 636/kg for 25kg Orlistat (98% up)
Do you have forwarder in Guangzhou ? Who will clear the customs and ship to Thailand ?