Responsibilities:1. Lead regional aftersales service, ensuring network coverage and service quality;2. Manage key accounts and dealers, expand and strengthen the service partner network;3. Drive service process improvements and customer satisfaction (KPIs: response time, repair quality, partner score);4. Deliver training and technical support to dealers, service partners, and key customers;5. Act as the regional contact to HQ, coordinating with product, logistics, support, and spare parts teams;