What payment method is this? Draw the payment process and explain the steps in the payment process.
Sales contract No: 053TTCB07
Seller:A&T Co., Ltd. Add: 258 Bis Le Dai Hanh Street, District 1, HCM City.
Account number: 2173357 – Vietcombank – Saigon Branch (Swift code: BFTVVNVX023)
Buyer: Pelco Co., Ltd. Add: 350 Pelcogate, Clovis, NYC
Account number: 4945020923 – Wells Fargo Bank – NYC Branch (FNBPUS3NNYC)
Payment article: Payment by TT 50% 30 days after B/L date.
PLEASE HELP ME