1) ISO 9001,CE,IP44 mirror series, IP54 mirror heating pad series.13 years experience 2) Monthly Production Capacity -- 20,000pcs Fancy bathroom mirrors per Month 3) All goods examined before delivery by 15 QC staff 4) Prompt Reply Within 12 Hours 5) 50000 square meters factory area 6)Technical drawing support. 7)5 year parts warranty and manufacturer's guarantee