来回运费 meaning in English

return freight

In order to ensure maintaining quality , decaview asia offers free maintain service for three months once the product has return again for the same problem . also , decaview asia will cover the transportation charges for the second repairment
本公司为保障维修品质，提供维修良品三个月相同故障问题免费保固措施凡保固期内外维修良品于维修完成后三个月内发生相同原因故障时，第二次送修时免费维修并负担来回运费。