improve it or discuss these issues on the talk page . learn how and when to remove these template messages this article includes a list of references but its sources remain unclear because it has insufficient inline citations . please help to improve this article by introducing more precise citations . december 2012 learn how and when to remove this template message this article relies too much on references to primary sources . please improve this by adding secondary or tertiary sources . december 2012 learn how and when to remove this template message this article needs additional citations for verification . please help improve this article by adding citations to reliable sources . unsourced material may be challenged and removed . december 2012 learn how and when to remove this template message learn how and when to remove this template message vietnam mobile telecom services company type limited liability tnhh industry mobile telecommunications founded 16 april 1993 headquarters hanoi vietnam key people nguyen minh tien ceo products mobile networks telecom services revenue 40.8 trillion vnd around 4bn 1 operating income 6.6 trillion vnd around 330m number of employees approx . 3000 website www.mobifone.com.vn vietnam mobile telecom services with the brand mobifone vietnamese c ng ty th ng tin di ng vi t nam is a major vietnamese mobile network operator headquartered in trung hoa nhan chinh hanoi . founded on 16 april 1993 as a gsm launcher mobifone is the first and currently third largest telecommunications provider in vietnam . 2 contents 1 market share and competitors 2 history 2.1 2015 2.2 2011 2.3 2008 2.4 2006 2.5 2005 2.6 1995 2.7 1994 2.8 1993 3 references 4 external links market share and competitors edit mobifone had a market share estimated based on revenues of 17.9 % in 2012 . 2 its main competitors are viettel with 40.67 % market share and vinaphone with 30 % which is also owned by vnpt . 2 together the big three control almost 90 % of the market with the rest controlled by vietnamobile with 8 % gmobile formerly beeline with 3.2 % and s fone with 0.1 % . 2 history edit 2015 edit become the corporation under the ministry of information and communication called mobifone telecommunications corporation . 2011 edit foundation of the mobile telecom services centre vi . 2008 edit foundation of the mobile telecom services centre v. the value added services centre was founded . mobifone ranked as the first position in the vietnam s mobile telephony subscription market share . 2006 edit foundation of the mobile telecom services centre iv . 2005 edit vms liquidated the bcc with kinnevik comvik sweden . the state of vietnam and ministry of posts and telematics now is ministry of information and communications officially decided to equitise vms . mr. le ngoc minh has become director of vms since retirement of mr. dinh van phuoc . 1995 edit committed a business cooperation contract bcc with kinnevik comvik sweden . foundation of the mobile telecom services centre iii . 1994 edit foundation of the mobile telecom services centre i & ii . 1993 edit foundation of vietnam mobile telecom services company vms . director is mr dinh van phuoc . references edit 77 6 % l i nhu n vnpt n t mobifone . gafin.vn . 4 january 2013 . retrieved 4 january 2013 . a b c d n m 2012 kh kh n c a c c m ng di ng nh . gafin.vn . 3 january 2013 . retrieved 4 january 2013 . external links edit official website mobifone th nghi m 4g t i n ng h n i v h ch minh mobifone tri n khai c c g i 3g m i t ng y 10 5 2016 v t e members of the bridge alliance airtel india airtel africa airtel bangladesh airtel sri lanka ais csl ctm globe maxis mobifone optus singtel sk telecom softbank mobile stc taiwan mobile telkomcel telkomsel viva viva retrieved from https en.wikipedia.org w index.php title mobifone & oldid 742609618 categories telecommunications companies of vietnamvietnamese brandshidden categories engvarb from october 2015use dmy dates from october 2015articles lacking in text citations from december 2012all articles lacking in text citationsarticles lacking reliable references from december 2012all articles lacking reliable referencesarticles needing additional references from december 2012all articles needing additional referencespages using infobox company with unsupported parametersarticles containing vietnamese language textofficial website different in wikidata and wikipedia navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages ti ng vi t edit links this page was 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