质量承诺书(调度椅)
Warranty
质量承诺书

上海琪黛办公用品设备有限公司特此承诺本公司生产的各类专用电力调度椅质量优良，售后服务到位。若非人为损坏，提供3年期免费服务。
We hereby promise that all kinds of special electrical yardman chairs are with high quality and sound after-sales service. We’ll provide you free charge service with 3 years dated from the day of invoice, if the damage is not caused by purpose.

质量承诺书(调度台)
Warranty
质量承诺书

上海琪黛办公用品设备有限公司特此承诺本公司生产的各类专用电力调度台质量优良，售后服务到位。若非人为损坏，提供5年期免费服务。
We hereby promise that all kinds of special electrical yardman tables are with high quality and sound after-sales service. We’ll provide you free charge service with 5 years dated from the day of invoice, if the damage is not caused by purpose.