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Koal Software Co., Ltd. engages in the research, development, production, sale, and service of commercial cryptographic software products. The company provides PKI (Public Key Infrastructure) based information security series products, security services, and overall information security solutions. Its products include digital certificate authentication, electronic signature, electronic mail security, instant messaging security, Internet security, local area network access authentication, and mobile media management systems, security authentication gateways, and signature verification servers. The company was founded on March 3, 1998 and is headquartered in Shanghai, China.