承巨流CDN is an Asia-Pacific content delivery and cybersecurity provider focused on accelerating websites and protecting online services from DDoS, CC, bot, and other malicious traffic. Its network offers regional edge access, with particular emphasis on Hong Kong-based traffic cleaning and connectivity optimized for users in mainland China. The company serves websites, online games, e-commerce businesses, financial services, streaming platforms, and API or SaaS providers.

Its services include website and dynamic-content acceleration, large-file delivery, video and audio streaming distribution, API and WebSocket optimization, game protection, web application firewall capabilities, security monitoring, and attack logging. The company says its edge nodes filter malicious requests before they reach customers’ origin servers, while allowing legitimate traffic through. It also provides configurable protection and acceleration plans, migration and setup guidance, technical documentation, and 24/7 Chinese-language support. Customers can request a free test through Telegram. Listed plans are billed monthly, and the site states that payment currently supports USDT.