International Calling cards The flagship Sadiatec products for 10 Years! We provide the most affordable call rates to over 200 countries worldwide! Details » Rental Pocket WiFi Router Stay connected wherever you are. Hasslefree, Fast & Reliable Service. Details » VOIP Services We provide VOIP services on a whole-sale basis. Details » Big Sale An Online Trade and Promotions Referral Site that introduces customers to businesses. Available for both PC and mobile devices. Details » Recruitment Services We offer high-quality IT Staffing solutions to both local and international firms in Japan and abroad. Details » Data SIM Card Access the Internet, Make Local & International Calls at affordable rates. Details » Export-Import Operations Let us help you to source or sell quality food products, leather goods, industrial machinery, motor vehicles and many more. Details » Study and Work in Japan Program We provide consultancy services for higher education and employment in Japan. Details » Doshdik NPO Doshdik is a registered NPO that conducts several social programs, including the publication and distribution of a free variety magazine. Details »