Suoim.cn, operated by Shanxi Sanwei Yuntui Technology Co., Ltd., provides a free online service for generating short URLs. Users can convert long web addresses into compact links, with the platform highlighting fast redirects and stable, reliable performance. The service is positioned for a range of digital promotion needs, including affiliate marketing, community campaigns, and SMS marketing. It also promotes link sharing on social platforms such as WeChat and Weibo, while presenting anti-blocking features for supported use cases.

In addition to one-click URL shortening, users can log in to manage links in batches, customize shortened URLs, and access short-link analytics. The platform says it can retain query data for logged-in users and offers QR-code login. For businesses seeking more control over their links, it recommends using a custom domain and describes options for building a dedicated shortening system. The site also displays several suggested short-link domains. Suoim.cn states that it prohibits shortening links to websites containing illegal or non-compliant content and may suspend violators.