Ronggao Doors and Windows is a Chinese manufacturer and whole-home customization provider specializing in high-end system doors and windows. Founded in 2004, the company is based in Foshan, Guangdong, and positions its brand around sound-insulating products designed to support quieter, more comfortable living spaces. Its flagship offerings are aluminum doors and windows, complemented by custom entrance doors, aluminum garden gates, and intelligent retractable gates. The wider product range also includes sunrooms and architectural curtain walls.

Ronggao reports operating a modern 150,000-square-meter production base and holding more than 200 invention patents. Its products are sold through a nationwide network of over 700 chain stores. The company serves both homeowners seeking tailored solutions and prospective franchise partners, offering franchise support that includes training, operational assistance, promotional subsidies, and performance rebates. Ronggao also highlights a 20-year product warranty commitment and provides customer service through its hotline and online channels. With two decades of experience, the brand says it aims to keep improving product quality and service while building a trusted name in the door and window industry.