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! AAI143-S00 AAR145-S00 FBM214 PR9268/303-100 CC-PAIH01 6ES7322-1BL00-0AA0 6ES7331-7KF02-0AB0 IC65N-D16/A2P PM864AK01 3500/92 3500/22m 3500/33 146031-01 133323-01 149992-01 1756-TBNH 1794-IB32