1.All products we sell are 100% New Original Factory packing in good condition and have been tested before they are shipped. We will try our best to avoid any quality problems. 2.We will offer the technical support by experienced staff, which have undergone rigorous testing and certification! 51403988-150 IC200ALG240 PM856AK01 4351B 3500/32 1756-OF8I FTW325-A2A1A KALEX3K688 10201/2/1 10105/2/1 3503E DO821 4351B DATX110 2711P-T10C4D8 IC698CRE030 DSSB-01C IC31129G03 1C31132G01 1C31227G01 IC31224G01 VI702