supply and repairing of computer material for annual maintenance-1 intel dual core processor 3rd gen 2 intel core i3 processor 3 intel core i5 processor 4 intel core i7 processor 5 mother board 6 hard disk 500 gb 7 hard disk 1 tb 8 ram 1 gb ddr1 9 ram 2 ddr 1 10 ram 2 gb ddr2 11 ram 2 gb ddr3 12 ram 4 gb ddr3 13 atx cabinet 14 key board usb 15 key board ps2 16 mouse usb 17 monitor led 18.5 18 speaker intex 2.1 , 2000w 19 printer teflon 20 laser tonner 12a 21 laser tonner 88a 22 hp in jet catridge black 23 hp in jet catridge color 24 rj 45 connector 25 lan card 26 sound card 27 graphic card 28 pen drive 8 gb 29 pen drive 16 gb 30 pen drive 32 gb 31 dvd writer 32 web camera 33 usb wifi 34 ups 35 scanner 36 modem d-link 37 d-link switch 8 port 38 d-link switch 16 port 39 d-link switch 32 port 40 d-link switch 48 port 41 service charge for computer & network 42 data card 43 cartridge refilling 44 inkjet catridge 920 a3 size 45 antivirus 46 computer formating 47 lan cable cat-6 & fiber cable 48 power strip 49 hp printer power adaptor 50 samsung 209 d samsung tonner catridge 51 samsung 109 d samsung tonner catridge 52 samsung 108 d samsung tonner catridge 53 hp printer 1020 plus 54 hp printer 1007 55 hp printer 1005 mfp all in one 56 cmos battry 57 cctv camera