亿企查 is a free software for querying enterprise credit information. It allows users to search for companies, enterprises, bosses, legal proceedings, and can be visually seen as a free version of Qi Cha Cha, Tianyancha, Qixinbao, Aiqicha. The enterprise credit data in Yi Qi Cha is sourced from the national enterprise credit information disclosure system, the referee's website, and other authoritative institutions. Additionally, marketing data gathers clues from thousands of platforms online, enabling the easy identification of key contacts in enterprises. Particularly suitable for B2B industry sales and customer acquisition, Yi Qi Cha aims to make enterprise credit information easy to access and sales easier to conduct.