July 25, 2026 — XINNUO Roll Forming Machine, a leading Chinese manufacturer with 30 years of expertise in cold roll forming equipment, today announced the latest upgrade to its flagship K-Span Arch Roof Roll Forming Machine, also known as the No Beam Arch Roof Forming Machine — a self-supporting arch roof panel production system engineered for warehouses, factories, aircraft hangars, stadiums, and agricultural sheds.
The XINNUO K-Span type arch roof roll forming machine is a portable, on-site beamless arch forming machine that converts flat galvanized or color-coated steel coils directly into self-supporting arched roof panels — eliminating the need for beams, purlins, or columns across spans of up to 50 meters.
"Our no beam arch roof machine has been refined over three decades of R&D," said a spokesperson for XINNUO. "Every curved roof panel roll forming line we ship is backed by 30 years of engineering experience and a 100,000-square-meter factory floor equipped with world-class CNC machining centers."
Unlike traditional steel structure methods that involve fabricating beams off-site and transporting heavy components, the XINNUO arch roof panel making machine operates directly at the construction site. A flat steel coil enters the self-supporting arch roof machine and emerges as a finished corrugated arch roof panel — cold roll formed and curved in a single pass.
The large span arch roof forming machine supports a bending radius that produces arch structures spanning from 6 meters to over 50 meters, making it suitable for:
XINNUO's manufacturing capabilities set this K-type arch roof machine apart. The factory is equipped with:
The arched sheet forming machine processes galvanized steel, galvalume, and color-coated steel coils from 0.4 mm to 1.2 mm thickness, producing a waterproof, corrosion-resistant self-supporting metal arch roof with a design life of 20–50 years.
The global trend toward faster, more cost-effective steel building construction has driven demand for portable arch roof machines. Benefits of the K-Span roof curving machine approach include:
| Advantage | Traditional Steel Structure | XINNUO K-Span Arch Roof Machine |
|---|---|---|
| Beams & Columns | Required | None — self-supporting arch |
| Steel Usage | 100% baseline | 30–50% less steel |
| Construction Speed | Weeks to months | Days to weeks |
| On-Site Production | Off-site prefab + trucking | Mobile, produces on-site |
| Foundation Cost | Heavy foundations needed | Light foundations |
Founded 30 years ago, XINNUO Roll Forming Machine has grown into one of China's most established manufacturers of cold roll forming equipment. With a 100,000-square-meter production facility, a 13-meter large CNC gantry milling machine, dozens of advanced CNC machining centers, and a professional R&D team, XINNUO delivers roll forming machines — including K-Span arch roof machines, single-layer roof panel machines, double-layer forming machines, glazed tile machines, C/Z purlin machines, floor deck machines, and composite panel machines — to customers across Southeast Asia, the Middle East, Africa, South America, and beyond.
Every XINNUO roof panel production line is backed by experienced installation and commissioning engineers who travel to customer sites for machine setup, operator training, and production launch support.
For more information about the XINNUO K-Span Arch Roof Roll Forming Machine, or to request a quotation for a no beam arch roof machine, self-supporting roof panel roll former, or any other cold roll forming equipment, please contact:
Mob / WhatsApp / WeChat: +86 188 0307 8605
XINNUO ROLL FORMING MACHINE CO., LTD is a professional manufacturer specializing in high-quality ibr making machine and advanced ibr machine solutions. With years of industry experience, we provide reliable, efficient, and customized roll forming equipment to meet global roofing production needs, ensuring stable performance, precision forming, and long-term durability for our customers worldwide.
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