The arrival of the equipment within a month, if due to the quality of the equipment caused by customers can not normal production, we can choose to return, we return the purchase price;
Equipment returned to us within three months; the customer is not satisfied with the quality, can require replacement, replacement costs borne by us;
The arrival of the equipment within one year of the year, such as the phone can not communicate to solve the problem, our personnel arrived at the scene within 48 hours;