Full-cycle, one-stop, nationally networked after-sales service. [Four-Tier Mechanism] • Tier 1 · HQ Coordination: unified dispatch, standards, escalation • Tier 2 · Regional Stations: nearby rapid response • Tier 3 · Online Rapid Response: 7×24 remote diagnosis • Tier 4 · On-site Service: certified engineer visits [Full-Chain Scope] Factory QC, commissioning, training, emergency repair, scheduled maintenance, firmware upgrades, genuine parts, annual calibration, factory maintenance, project O&M, year-round support. [Large Project Services] Dedicated on-site O&M, 7×24 emergency response, dedicated liaison, annual agreements. [Individual & Training] Rapid online diagnosis, nearby repair, affordable maintenance, lifetime consultation. [Network] Ningbo HQ + Shengzhou 200-mu base + Cicheng Sports Park.