Lingyufab is based in Shanghai, where a mature industrial supply chain and an experienced workforce allow us to produce metal louver panels at competitive prices. We follow the ISO 9001:2015 quality management system, and because production stays in-house, customers avoid the markup that comes with outsourcing—typically saving 15 to 20 percent. We handle order sizes from a single sample to 100-piece pilot runs to ongoing mass production, with current monthly output exceeding 5,000 units.

Metal louver panels are functional ventilation components, so specifications are driven by airflow, weather protection, and structural requirements.

Every building facade or equipment enclosure has its own ventilation and screening requirements, so Lingyufab treats each louver panel as a custom project rather than a catalog item. We produce:

We also handle custom frame profiles, blade angles, and hole patterns based on your drawings or samples. Our engineering team can assist with design optimization and cost reduction, and reverse engineering is available if only a physical sample exists. Prototyping starts at zero MOQ.

A metal louver panel may look like a simple set of angled blades, but producing one consistently involves several sheet metal processes working in sequence. Laser cutting shapes the flat blanks, stamping or roll forming creates the louver blade profiles, CNC bending forms the frame and blade supports, welding joins multi-piece assemblies, and surface treatment prepares the part for its working environment. At Lingyufab, all of these steps happen under one roof rather than being handed off between vendors, which keeps tolerances tight and lead times predictable. Because fasteners are also made in-house, mounting hardware can be pre-installed before the louver panels ship, reducing assembly work at the customer's end.

A metal louver panel is a ventilation and screening component made from a series of angled blades set within a frame. It allows air to pass through while blocking rain, debris, and direct sightlines. Louver panels are not just functional—they also contribute to the aesthetic appearance of building facades and equipment enclosures. They are typically formed from aluminum, stainless steel, or galvanized steel, with blade thickness ranging from 0.8mm to 2.0mm. Metal louver panels are used in HVAC systems, architectural facades, industrial equipment enclosures, and infrastructure projects.

Lingyufab supports 1-piece prototyping, 100-piece pilot runs, and high-volume mass production with monthly delivery exceeding 5,000 units.

Producing a louver panel that performs correctly and installs efficiently comes down to a few practical points:

Blade thickness typically ranges from 0.8mm to 2.0mm depending on structural and weather-resistance requirements.

A louver panel that does not fit properly can cause installation delays and reduced performance, so dimensional accuracy matters.

These standards are maintained through laser cutting, stamping, CNC bending, and welding equipment, along with in-process inspection and final quality checks.

Quality control covers the full production sequence:

Lingyufab produces a range of metal louver panel and related components:

Lingyufab (Shanghai Lingyu Industrial Co., Ltd.) is a professional sheet metal fabrication and assembly manufacturer, established in 2003. Metal louver panels are one of the main product categories within our broader sheet metal manufacturing business.

Our Shanghai facility handles laser cutting, CNC bending, stamping, welding, and surface treatment in-house, giving us full control over dimensional accuracy and finish quality. We are ISO 9001:2015 certified and support projects ranging from a single prototype to 100-piece pilot runs to high-volume production exceeding 5,000 units per month. In-house fastener manufacturing allows us to pre-install mounting hardware before shipment, reducing assembly work for our customers.

As a Mitsubishi Electric certified core supplier, we serve HVAC, architectural, industrial equipment, and infrastructure customers with reliable, cost-effective louver panel solutions. With competitive pricing, 15-20% cost savings through in-house production, and full material traceability with MTC for every batch, Lingyufab delivers dependable metal louver panel solutions for customers worldwide.