1. Service tenet:

1) Starting from customer demand and ending with customer satisfaction

2) Create value for customers with convenient after-sales service

2. Service principle:

1) One year warranty (non human factor), lifelong maintenance

2) 24-hour service consultation, work as usual on holidays

3) Provide quality assurance before, during and after sales and follow up the whole process

4) Regular customer return visit and listen to the user's opinions