At chenlong, we specialize in the design and manufacturing of Automatic Cold Roll Forming Production Lines ve Custom Steel Profiles for global industrial clients. With years of engineering experience and a strong export track record, we provide complete solutions that help manufacturers improve efficiency, product accuracy, and production stability.

Our factory integrates coil handling, leveling, servo feeding, punching, forming, cutting, welding, and full-line automation, enabling us to deliver both standard roll forming machines and fully customized production systems for complex profiles.

We serve customers in more than 50+ countries, covering major industries such as electrical distribution boxes, cable tray systems, HVAC fire dampers, building & roofing panels, and window/door frame profiles. . Every project is supported by our in-house R&D team, mold workshop, and strict quality control to ensure consistent and reliable performance.

Whether you need a single roll forming machine, a turnkey production line, or custom steel profiles, we offer flexible OEM/ODM services, fast response, and engineering support from design to installation.

Your products, our precision.
Your ideas, our manufacturing.
Your business, our long-term partnership.

📩 Contact us today for technical consultation or a free quotation.