The true financial magnate, the Kelman Family, is probably the only one capable of pulling out such a large cash flow in such a rural area like 0791 at this time. Fortunately, due to the instability of the current QVN link and the constraints of the Celestial Anti-Money Laundering Trade Agreement, they did not have enough time to transfer assets abroad. Since the Milestone acted as an intermediary, both parties quickly came to an agreement, granting the funds to Panlong.
Of course, these four trillion weren't loaned for free. They negotiated a five-year LPR of 5%, with total interest of over 530 billion, and an additional 0.3% as an intermediary fee to Milestone. So settling those trivial matters with Wei was indeed just a bonus by comparison...