After-sale within the
warranty period

【Abstract】：

To achieve telephone response within half an hour; to send technicians to the scene within one hour to guide and solve the problem; if the same quality problem of the same product occurs more than twice in a three-year warranty period, our company will replace the same type of brand-new equipment for Party A within 72 hours. During the warranty period, our company can provide the spare equipment for the relevant bidding products, which can be used as e