supply of usb mobile charging socketusb mobile charging socket,usb mobile charging socket type a & type c high capacity as suitable for lhb type coaches confirming to edts-455, amtd-1 and rcf sked-9 59(a) for type-2 (snap fit type) fitting. note :- (1) rcf/rdso approval letter to be submitted along with offer. (2) test certificate of material to be submitted along with bill document for acceptance of material supplied. (3) sample approval before bulh supply [ warranty period: 30 months after the date of delive ry ] ] , usb mobile charging socket type a & type c high capacity as suitable for lhb type coaches confirming to edts-455, amtd-1 and rcf sked-9 59(a) for type-1 (screwed type) fitting. note :- (1) rcf/rdso approval letter to be submitted along with offer. (2) test certificate of material to be submitted along with bill document for acceptance of material supplied. (3) sample approval before bulh supply [ warranty period: 30 months after the date of delive ry ] ] , usb mobile charging socket type a & type c (with dual port operation) as suitable for reading light fitting of lhb type coaches confirming to e dts-411, corr. 1&2. note :- (1) rcf/rdso approval letter to be submitted along with offer. (2) test certificate of material to be submitted along with bill doc ument for acceptance of material supplied. (3) sample approval before bulh supply [ warranty period: 30 months after the date of delivery ] ] , usb mobile charging socket as suitable for reading light fitting of lhb type coaches confirming to edts-411, corr.1. note :- (1) rcf/rdso appr oval letter to be submitted along with offer. (2) test certificate of material to be submitted along with bill document for acceptance of material supplied. (3) sample approval before bulh supply [ warranty period: 30 months after the date of delivery ] ]