1. on behalf of the consumer installation, commissioning products;

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2. according to consumer requirements, technical guidance on the use and other aspects;

3. to ensure the supply of spare parts for maintenance;

4. responsible for the maintenance services, and provide regular maintenance, regular maintenance;

5. to provide consumers with a regular telephone interviews or home visit;

6. the product of "Three Guarantees", namely repair, replacement or return (many people believe that after-sales service is to "three guarantees", which is a narrow understanding);

7. handling consumer complaint letters and visits and telephone advice, answer consumer advice. Meanwhile a variety of ways to collect the views of consumers on product quality, and timely improvement according to the situation.