Quantex communications No.1 Source of New/Used and Refurbished Laptop Computers in Greater prices. We sell a huge range of top brands such as Dell, HP/Compaq, Toshiba, Sony, Fujitsu Siemens, IBM and Acer. We also carry a large inventory of Parts and Accessories and printers including laptop batteries, ac adopters, PCMCIA cards, hard drives, wireless networking, all at lowest prices guaranteed... Founded in 1997 and based in Los Angeles, California.as M/S Quantex Computers and also have branch in Karachi Pakistan as M/S Quantex Communications. We serve consumer retail, small-to-medium businesses, corporate, government and education customers.. Our systems are Custom Built and Crafted for Optimum Performance by our experienced Certified Computer Hardware Experts and Trained Professionals. Our team of professional technician has performed thousands of satisfactory repairs and upgrades and work on components..