Koal Software Co., Ltd. develops public key infrastructure platform in China. The company offers identity security infrastructure, such as root certificate issuing, certificate issuing, certificate enrollment auditing system, key and certificate integrated management, and trusted identity management and control systems; cryptographic service platform, including timestamp and signature verification servers, and electronic signature systems; and authentication and access control products comprising secure authentication, SSL application delivery, API, and single sign-on gateways, as well as account management systems. It also provides endpoint security and admission control products, such as LAN access control, and endpoint security login and file protection systems; and data security and privacy protection products, including secure email, Internet safe, net shield safe, USB guardian, print control, and secure instant messaging systems. In addition, the company offers unified authentication, terminal security password module, Internet of Things security, certificate authentication system, and mobile security solutions. It serves public security, exit and entry, commissions, and ministries; the information technology, finance, and manufacturing industries; banks, securities trading, and financial institutions; and military industry groups in the field of defense. The company was founded in 1998 and is headquartered in Shanghai, China. Address: Building 4, Shanghai, China, 200436