
Lingyufab is a premier custom metal fabrication manufacturer in China, specializing in precision sheet metal bending and forming solutions. Equipped with advanced multi-axis CNC press brakes, robot-assisted bending cells, and high-tonnage hydraulic machinery, we deliver highly accurate, repeatable, and complex bent metal components tailored to global OEM standards.
As a trusted China-based OEM/ODM partner, Lingyufab combines cost-effective manufacturing with strict ISO 9001 quality management. Operating out of our state-of-the-art facility, we support the entire production lifecycle—from rapid prototyping and low-volume initial runs to automated high-volume series production—serving clients across North America, Europe, and Asia.
We manufacture custom-formed components designed around your exact engineering drawings (STEP, IGES, DXF, DWG): Custom Enclosures, Brackets, and Mounting Frames Heavy-Duty Structural Channels, Angle Iron, and Frames Chassis Components, Electrical Boxes, and Server Racks Heat Shields, Busbars, Covers, and Panels


Sheet metal bending is a core secondary operation in integrated fabrication workflows. After sheet metal is blanked or contoured using high-precision fiber laser cutting or CNC punching, bending operations transform 2D flat patterns into functional 3D geometric structures. Combined with downstream operations such as PEM insertion, welding, surface finishing, and assembly, bending forms the structural foundation of complex metal hardware.
Sheet metal bending is a cold-working manufacturing process where a force is applied to a flat piece of metal sheet to cause plastic deformation along a straight axis. By pressing the sheet into or over a specialized punch and die set, the material undergoes permanent yield beyond its elastic limit, achieving the desired bend angle, radius, and 3D geometric profile without altering the overall material volume.
To ensure seamless downstream assembly, engineers must design sheet metal parts with manufacturing constraints (DFM) in mind:
At Lingyufab, precision is governed through synchronized CNC multi-axis ram positioning (Y1−Y2 axes) and dynamic hydraulic crowning systems (V-axis). Our baseline geometric capabilities include:
Sheet metal bending yields a vast array of structural and protective elements across diverse industries:
Lingyufab serves as an end-to-end manufacturing engine for high-precision sheet metal bending projects. By combining experienced toolmakers, skilled CNC operators, and rigorous quality inspection protocols, Lingyufab delivers bent components that meet exact engineering specifications. From quick turnaround engineering samples to large-scale OEM contract manufacturing, we ensure every part complies with tight tolerance benchmarks.
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