investmentco is now saying I must pay a $1,850 “regulatory transaction review charge”

I’ve already paid two previous fees they labeled as essential for compliance and 10 yuan futures trading platform appaccount verification. Everything was supposedly approved. My withdrawal was “in process” for over a week—until today. Out of nowhere, they email me about this new charge, claiming it’s mandatory due to “cross-border regulations.” I’ve asked to see these regulations—they’ve provided nothing. No invoice, no terms and conditions update, just pressure to pay. It’s becoming obvious that this is a scam. Each payment leads to another fake reason to delay. This company is not following financial best practices. I regret trusting them with my money. They are clearly making up charges to stall withdrawals indefinitely.