How can I connect my Samsung Tab A 9.7 with Seagate New Backup Plus Slim 2TB USB 3.0?

[AC Question]

connect samsung tab a 9.7 with Seagate New Backup Plus Slim 2TB USB 3.0

I look the internet for cable that can connect my tablet with hd.
I find this LAVA SimulCharge USB 1-port Adapter for Samsung Galaxy Tab 4/S/PRO/Note - Model TL-002 (Micro USB OTG Host & Charge)
but cannot find company who ship to Thailand....

I hope somebody can help ...