Guangzhou Ronch Mark Birch Industry & Trade Co.Ltd is a vertically integrated manufacturer and global supplier specializing in architectural hardware—namely window rollers, bearings, and locking systems for modern fenestration solutions.
Since its founding in 2015, our company has built a reputation for engineering excellence, competitive pricing, and responsive customer service. Backed by a professional in-house team for product design, mold development, and material innovation, we focus on delivering both standard and custom-engineered components that meet the evolving demands of global construction markets.
We emphasize material performance, precision manufacturing, and lifecycle cost optimization. Whether serving OEM clients, project contractors, or distributors, we are committed to reliability, consistency, and value-added partnerships.
With a strong footprint across Europe, Southeast Asia, the Middle East, and Latin America, Ronch Mark Birch is positioned as a trusted partner for durable, high-performance window hardware at scale.
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