Apply for withdrawal, but no one handle it

The application for withdrawal has not been processed for a week. Apply for arbitration, and push it back to the official customer service. 1. Ask the customer service about the withdrawal time in advance, the customer service said 3-4 hours. 2. After applying for withdrawal, customer service said 1-4 days. 3. Later, after tracking the progress, the customer service responded at first, but finally ignored it. 4. It has not been processed after a week. 5. Apply for arbitration and reply to the official customer service. 6. Send an email to the official customer support@mgc-fx.com, saying the email address is wrong