According to ACT (Achain) official plan, the ACT mainnet will be upgraded at block height of 8524000.
Huobi Global will support the upgrade and suspend the deposit and withdrawal of ACT at 10:00 on April 8, 2020 (GMT+8). Resumption will be made as soon as the upgrade is completed and the resumption time will be notified via announcement. Sorry for the inconvenience that caused during the suspension!
English official Telegram group: https://t.me/huobiglobalofficial
April 7, 2020