1, The purchase of the company's host can enjoy one-year free warranty service.
2, The battery in the host or the battery purchased from the company can enjoy one year free warranty service.
3, More than the warranty period of flow meter, customers can still enjoy perfect after-sales service.
Hotline-24 hours service
Company customer service personnel on duty all day, to facilitate users of services, products, technology, business and other issues of consultation;
Users can call the company hotline at any time, to solve the problems encountered in the process of product purchase, use and maintenance.