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Valtes Holdings Co., Ltd. engages in the business of software testing, content testing and software testing consultation services. The company provides iPhone and Android applications testing, providing support of smartphone applications quality through three types of tests such as standard, distinct and scenario testing. It also engages in the business of digital broadcasting testing services, social game testing, smartphone application testing, web application testing, offshore testing and others. The company was founded by Masafumi Tanaka on April 19, 2004 and is headquartered in Osaka, Japan.