jiashengwealth unable to withdraw

I have introduced to some wealth Chinese girl; she was so kind and showed me her uncle business of trading oxtrix/usdt
first she showed me her daily profits and I got impressed, she convinced me and guided me in details how to participate in the platform
I participated with 200, got profit and able to withdraw it
then she illustrated me the risk reserves and how to get more and more
i deposited 7000$ and I got 800$ profit
Now I am not able to withdraw and the. customer service not responding