For your account safety, please contact ACE via customer phone service to modify your mobile number.
【ACE customer service center】
●Phone: 886-2-2570-0271
●Email: support@ace.io
●Facebook:https://www.facebook.com/ace.exchange.tw
●Help Center: https://helpcenter.ace.io/hc/en-us
●Business hours: Monday to Friday 10:00-18:00, Lunch Hour 12:30-13:30 (GMT+8)