Don’t believe anything this broker says

I am trying to withdraw 13,000 USD since 25 Sep 20 and 8,121 USD since 29 Sep 20 but so far no success. Also no response from customer services today. Most rigid brokers allow us to withdraw funds within 2-3 days but this Oinvest is very fishy. Don’t even try to talk to any people from Oinvest.