Valtes. 

Valtes Co., Ltd. specializes in delivering extensive quality assurance and testing solutions across a variety of products and operational processes. The company's service portfolio includes comprehensive verification for software, web and smartphone applications, and social games, alongside content testing and educational advisory services. They possess significant expertise in the digital broadcasting sector, offering assessments for functional operation, stream reception, digital broadcast recording, and multimedia broadcasts. Furthermore, Valtes develops and sells specialized test streams for digital broadcast receivers and provides dedicated test centers, equipment, and related device support. Their capabilities also extend to conducting quality evaluations for digital multifunction office machines and digital cameras. Established in 2004, the firm maintains its primary operations in Osaka, Japan.