Quality commitment: from the date of the factory within one year of the quality of the equipment itself free warranty (except for man-made), life-long maintenance.
质量承诺：自出厂之日起一年之内设备本身质量问题免费保修(人为除外)，终生维护。
Quality commitment: from the date of the factory within one year of the quality of the equipment itself free warranty (except for man-made), life-long maintenance.
质量承诺：自出厂之日起一年之内设备本身质量问题免费保修(人为除外)，终生维护。
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