Custom Light Up Large Numbers Manufacturers & Factory

The Authoritative Architectural & B2B Sourcing Blueprint: Industrial Customization, Global Certifications, and Chinese Manufacturing Powerhouse Optimization

Sichuan Kexian Advertising Limited Company

Established over 20 years ago, Sichuan Kexian Advertising Limited Company has emerged as a vanguard in the research, design, optimization, and industrial-scale manufacturing of high-impact advertising signage and custom architectural installations. Headquartered in Sichuan, China, our business framework integrates advanced CAD/CAM modeling, metal extrusion engineering, computerized precision bending, and optical calibration to offer B2B clients a seamless one-stop supply chain.

We operate a dedicated 6,600 square meter manufacturing plant configured to support high-capacity OEM and ODM orders under strict quality control. From large-format free-standing marquee letters to micro-engineered retail illuminated signage, we cater to fortune 500 multinationals (such as Midea, Gree, JD, and Liansu) as well as global event coordinators, architectural agencies, and real estate groups.

"Our engineering goal is not merely to build custom light-up large numbers, but to deliver structurally sound, wind-resistant, and energy-efficient media systems that elevate brand architecture worldwide."

Explore Giant Metal Signage Solutions
Kexian Signage Factory Production Floor

Key Manufacturing Indicators & Sourcing Capability

Empirical reliability backed by scalable industrial capacity. We undergo regular third-party inspections to guarantee our infrastructure sustains continuous, high-precision exports globally.

20+
Years of Custom Signage Expertise
6,600 M²
Modernized Assembly & Machining Area
100+
Countries & Regions Reached Globally
100%
Pre-Shipment Photometric & Thermal Testing

Sourcing from China: Strategic Logistics & Cost Structures

Procuring large illuminated numerals and architectural letters directly from our China factory offers critical economic and engineering benefits to global importers, event firms, and sign distributors.

Vertical Supply Chain Integration

Located within China’s major manufacturing cluster, we access high-grade raw materials, from marine-grade 316 stainless steel to premium PMMA acrylic sheets, minimizing initial material acquisition times and costs.

Low MOQ & Fast Sample Turnaround

We offer custom prototyping options with a Minimum Order Quantity (MOQ) starting at just 1 piece. This allows visual merchandisers and event operators to test material quality, light dispersion, and structural stability before committing to mass rollouts.

Global Carrier Alliances

Through high-volume partnerships with FedEx, DHL, UPS, and international sea freight operators, we deliver bulky, oversized structural signage with optimized crating and customs clearance support to minimize port transit delays.

Advanced In-House Manufacturing Machinery

Achieving structural resilience and seamless light refraction in custom giant numbers requires specialized machinery. At Kexian, we avoid outsourcing, ensuring full control over tolerances, polishing grades, and mechanical stability.

Acrylic Mini Letter Cutting Machine

Acrylic Mini Letter CNC

Engraves small-to-medium scale components with micron-level depth control, facilitating specialized interior branding and high-end faceplate fits.

High Side Bending Machine

High Side Bending Machine

Configures the deep structural return channels of giant marquee and channel numbers, ensuring consistent depth and rigidity across large formats.

Metal Fiber Laser Cutting Machine

Fiber Laser Metal Cutters

Cuts thick stainless steel, aluminum, and brass sheets with absolute precision, preventing burred edges or heat-induced warping.

UV Printing Machine

High-Resolution UV Printers

Applies weather-resistant, non-fading pigments directly onto acrylic diffusers, allowing for custom brand color matching and textured finishes.

Acrylic Laser Cutting Machine

Acrylic Laser Cutting

Produces perfectly polished edge profiles on acrylic faceplates, yielding optimal light transmission without yellowing or cracking.

Laser Welding Machine

Fiber Laser Welder

Creates continuous, clean structural bonds between return walls and metal backing plates, eliminating ugly spot-weld shadows.

Seiko Bending Machine

Seiko Automatic Bending System

Automatically reads CAD vector files to form intricate metal returns for letters and numbers. It ensures precise alignment and shape consistency, especially for complex designs.

Standard Operating Procedures for Heavy-Duty Custom Fabrication

Quality control at Kexian is integrated directly into the physical assembly line. We systematically process every customized giant number through five core stages of physical transformation.

Metal Bending Process

1. Bending & Shaping

Metal returns are formed using software-controlled, double-axis bending machines to match specified typefaces and numerical curves without creasing the metal.

Laser Cutting Process

2. Precision Cutting

High-power fiber lasers slice backing plates and acrylic faces to tolerances within +/- 0.05 mm, guaranteeing structural elements fit together perfectly.

Laser Welding

3. Laser Fusion Welding

High-frequency laser welders fuse the return wall to the front/back plates. This creates a solid joints that prevents rain, wind, or dust from entering.

UV Printing Process

4. Custom UV Printing

Specialty acrylic surfaces undergo UV printing for custom graphics. The ink is cured instantly using UV LED lamps for durability in outdoor settings.

Manual Metal Welding

5. Structural Assembly

Our technicians assemble internal structural reinforcements, route premium LED modules, mount drivers, and execute waterproof sealing tests.

Global Compliance: Localized Power Engineering & Structural Certifications

Procuring large illuminated display components across international borders requires strict adherence to localized municipal engineering codes, electrical wiring standards, and environmental certifications. Kexian ensures every shipment complies with the destination country's regulations.

CE Standard Logo RoHS Standard Logo FCC Standard Logo

European Union Compliance

Certified to hold CE and RoHS marks. Our components are manufactured without hazardous heavy metals and feature low-voltage designs that comply with EU Electromagnetic Compatibility (EMC) and Low Voltage Directives (LVD).

UL Certificate Logo TUV/Standard Logo ISO Standard Logo

North American Standards

Equipped with UL-recognized power supplies (such as MeanWell) and LED modules. Designed to run on standard US grid layouts (110V-120V AC, 60Hz), matching local electrical codes for commercial signage.

IP65 / IP67 WATERPROOF

Outdoor Waterproofing

Outdoor units feature built-in drainage holes, fully encapsulated LED modules, silicone gaskets, and IP67 waterproof drivers. This helps protect the signs from high humidity, heavy rain, and extreme temperatures.

B2B Intent Mining: What Procurement Directors Seek in Signage Suppliers

In the global B2B procurement space, evaluating a manufacturer requires analyzing parameters beyond unit price. Professional buyers focus on total cost of ownership (TCO), material sustainability, and engineering support.

Total Cost of Ownership (TCO)

High-efficiency, premium LED modules with 50,000+ hour lifespans reduce long-term maintenance costs. Low-quality LEDs often dim quickly or fail, leading to expensive repair costs for high-altitude installations.

CAD/CAM & BIM Integration

We provide architects and contractors with structured CAD, DXF, and 3D modeling files. This ensures easy integration into building plans and structural support calculations before fabrication begins.

Wind Load & Structural Engineering

For giant freestanding marquee digits (ranging from 1.5m to over 5m tall), we engineer internal structural steel frameworks. These frames are designed to withstand local wind loads and secure safe installation in public areas.

Application Scenarios: Where Large Illuminated Numbers Excel

Giant illuminated numbers serve as critical focal points across commercial, public, and corporate spaces. These versatile displays are widely utilized to enhance visibility and brand presence in key environments.

Commercial Retail & Luxury Malls

Shopping centers utilize large, illuminated mirror-polished stainless steel and acrylic structures for directional cues, seasonal campaigns, and brand promotional installations.

High-Profile Events & Product Launches

Event marketing agencies rely on lightweight, portable metal marquee numbers to create interactive photo backdrops. These displays help drive social media impressions and boost organic brand reach.

Hospitality & Architectural Façades

Luxury hotels and corporate headquarters use custom, double-sided illuminated lightboxes and dimensional address signs to integrate with modern building architecture.

B2B Technical FAQ: Installation, Logistics, & Design Customization

Key considerations for global procurement managers, structural engineers, and visual merchandisers sourcing custom illuminated letters and numbers.

Q1: How does Kexian prevent voltage drops on giant numbers over 3 meters tall?
To prevent dimming at the top of large numbers, we design internal parallel wiring networks. We place premium 12V or 24V LED modules in balanced circuits, ensuring even light distribution. We also keep low-voltage power supply runs short to prevent voltage loss.
Q2: What materials are recommended for coastal or highly corrosive environments?
For coastal areas, we recommend using Marine-Grade 316 Stainless Steel with a passivated surface treatment. We combine this with IP67-rated waterproof LEDs to prevent rust and corrosion from salty, humid air.
Q3: Are the LED drivers easy to replace in case of failure?
Yes. We mount our LED power supplies in accessible compartments within the sign shell or in remote driver boxes. This design allows technicians to replace components quickly without dismantling the entire sign.
Q4: Can Kexian match specific brand colors?
Yes. We match colors using Pantone or RAL codes. We apply these colors through high-resolution UV flatbed printing on acrylic, or by using durable automotive paints on metal returns.
Q5: How are large orders packaged to prevent damage during sea freight transit?
We pack all orders in robust custom plywood crates. We wrap each item in protective bubble wrap, secure it with dense PE foam inserts, and add bracing to prevent shifting during transit.
Q6: What is the typical lead time for custom OEM projects?
Standard prototyping takes 3 to 7 working days. Bulk production is typically completed within 15 to 20 days, depending on order volume and design complexity.
Q7: Do you provide installation templates and mounting hardware?
Yes. Every order includes paper installation templates indicating drilling patterns, power feed entries, and structural mounting points. We also supply standard mounting screws, threaded rods, and hardware.

Ready to Settle Your Commercial Display Sourcing?

Get in touch with Kexian's B2B engineering team today. Send us your CAD drawings or design concepts, and we will provide structural recommendations and a factory-direct quote.

Request A Factory Quote