e-invoice OB10 Tungsten UK 07-05-2014 OB10 to start operating as Tungsten Network E-invoicing network completes integration following last year’s acquisition E-invoicing network completes integration following last year’s acquisition Tungsten Corporation have announced the successful transition and integration of OB10, the e-invoicing…… Sign in or Upgrade to Continue Reading This news article is over 10 days old. Subscribe today to access all articles with an annual subscription. Become a member Learn more Already a subscriber? Log in here #acquisition#electronic documents