1) the product of "three guarantees." During the warranty period, all due to normal use natural damaged parts, the supplier is responsible for maintenance, can not be repaired to be swapped.
2) The supplier should provide long-term spare parts at a special price.
3) During the warranty period, after receiving the demand side, maintenance requirements, to respond within 12 hours, need to be processed within 48 hours to reach the scene.
正在翻譯中..