MX does not allow to withdraw money and is out touch.

I deposited $15,000 in my first account on the platform and the money was lost. The balance in the second account was $10,448.24, and I applied for withdrawing $10,447.22 at 11.5 but the money has not been received. After I made applications for withdrawing money several times, they still did not deal with. There is no phone on the official website. I tried to contact the customer service personnel on WeChat, but they has not replied me and later blacked me. I sent emails several times to the email provided on the platform page, but I have not received a reply. No one on the platform has contacted with me.