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24 hours a day service hotline, the user calls the first time to reply, technical questions, Q & A, fault notification instant response;

According to the user's request, the qualified technician will be dispatched to the scene within 6 hours in the province, and the scene will be delivered to the scene within 24 hours.

During the warranty period, the “Three Guarantees” will be implemented; the equipment outside the warranty period will provide lifelong service, and the maintenance service will only charge the cost.