Party B promises to provide 7*24 telephone hotline technical support service and on-site troubleshooting service for iPlant-ACC system failure within two hours after learning of the failure, and to achieve 2-hour response for remote solution in China and 4-hour response for remote solution abroad for on-site emergency failure, and to arrive at the site to carry out service within 24 hours in China. accsupport.plan. io is ACC's global 24-hour support platform.