What is Wansa of "Wansa Co., Ltd."? ?? Is often asked. What is Wanza ... Is it English or Japanese? Actually , it is a coined word . There is one "difference", one (difference) fun thing . It's onesa, not onesa because it's onesa. We look forward to your continued support of Wansa Co., Ltd. ! 20130812 Notice of summer holidays 20120712 Exhibited at Ehime IT Fair 20120222 Tanomail page updated! 20111228 New Year holidays 20110808 Notice of summer holidays 20101228 New Year holidays Copyright (C) 2008 ONESA Co., Ltd. All Rights Reserved