Quantum Leap (Lzproxy) provides proxy infrastructure and overseas business services for companies and individuals working across international markets. Its network offers dynamic residential proxies, static residential ISP proxies, IPv4 data-center proxies, tunnel proxies, and customized enterprise or livestreaming connections. The company states that its IP resources cover more than 220 countries and regions, with country and city-level targeting, and support HTTP, HTTPS, and SOCKS5 protocols. Options include rotating IPs, dedicated fixed addresses, API access, and packages based on traffic or individual IPs.

Lzproxy positions its services for cross-border e-commerce, social media account management, web data collection, SEO monitoring, advertising verification, and testing access to AI models. It also offers technical documentation, integration guidance, customer support, and tailored enterprise arrangements, including dedicated resources and private network links.

Beyond connectivity, the brand provides overseas marketing and external trade operations services. These include business network setup, social media account management, overseas websites and Google Ads, short-video marketing, and support for handling and following up on customer inquiries.