Unable to withdraw. Induce fraud

The Bai Yi Hui financial platform of CITIC Securities, after successful trading, refuses to withdraw the funds, using various reasons to stall, excuses for not being able to withdraw the funds normally, inducing customers to pay various fees, freezing funds at will, thawing funds to pay thawing fees, thawing fees paid and refusing to withdraw the funds for other reasons, how is this platform managed by CITIC Securities?