1) Over 15years of professional experience in design and producing ac adpters. 8000 Square Meters Factory.2) Strong R&D Capability, all kinds of products available:ac/dc adapters,Laptop adapters, Universal laptop chargers,Laptop car charger,tablet pc charger and Irregular power adapters3) Abundant inventory for fast delivery.4) Passed CCC,FCC,CE,TUV Certificates. Reliable quality5)Warranty 2year:we change your no working adapter 1 to 16)Brand New Replacement Product, works as genuine parts, 100% OEM Compatible!!