L1,L2,L3 comprehensive network operation and maintenance services for customers, providing network,communication,security equipment operation and maintenance monitoring, fault response, routine inspection security policy customization, integrated wiring, network evaluation, network optimization and upgrading, information security planning and services,remote and on-site support services

L1,L2,L3 comprehensive system operation and maintenance services for customers, providing routine system operation and maintenance monitoring of customer servers, PCs, data centers,etc., fault response, routine inspection, policy optimization, data backup,authority management, remote and on-site support services

L1,L2,L3 all-round application operation and maintenance services for customers ,providing customers with ERP,CRM,SAP,Oracle and other largecale product application operation and maintenance services customer developed PC applications,App application operation and maintenance services,providing application problem support, technical investigation,application development and modification，new regulation development, multi cloud operation and maintenance services and muti cloud technology development, business migration from other companies and other related services