China Backlit House Numbers Supplier & Factories

Architectural-grade illumination solutions engineered for global residential developments, premium commercial complexes, and retail environments.

White Paper: Strategic Shift in Modern Architectural Backlit Signage

Architectural facade engineering has progressed significantly beyond non-illuminated plaques. In contemporary residential complexes and commercial real estate development, backlit house numbers are key features that balance visual appeal, navigation, and structural integrity. Leading architects, lighting specifiers, and real estate developers prioritize illuminated house numbers to elevate property aesthetics and improve visible guidance for visitors, postal carriers, and emergency services.

As a leading China Backlit House Numbers Supplier & Factory, Sichuan Kexian Advertising Limited Company integrates advanced light-emitting diode (LED) configurations with precision CNC machining. The goal is to provide custom outdoor identification that withstands weather elements while offering uniform illumination. This white paper highlights technical innovations, compliance frameworks, material grades, and supply chain strategies for sourcing high-end architectural signs from China.

1. Material Engineering & Corrosion Protection

Standard architectural grades such as AISI 304 and marine-grade AISI 316 stainless steel form the housing of our premium backlit signs. When combined with protective coatings, these materials resist atmospheric oxidation, salt spray, and pollution in coastal regions.

2. Optical Distribution & Diffuser Systems

To prevent localized hotspots and ensure even illumination, we utilize PMMA (Polymethyl Methacrylate) diffusers. The light distribution curves are balanced to produce a smooth, soft halo glow on exterior walls.

3. Energy Efficiency and Driver Design

By using constant-voltage drivers that output 12V or 24V DC, our installations achieve long run-times with minimal power draw. These drivers integrate with typical light-sensitive automation circuits and smart-home relays.

Sichuan Kexian Advertising Production Facility

Sichuan Kexian Advertising Limited Company

Kexian is a professional signage manufacturer with over 20 years of experience. Our product range spans from small hotel room plates to large landscape logos. All our signs are CE, RoHS, and UL certified to ensure compliance in international markets. We welcome OEM and ODM orders with low MOQs and short lead times. Through partnerships with trusted couriers like DHL, UPS, and FedEx, we ensure all orders are delivered on time and safely.

  • One-stop design-to-delivery service
  • High quality, certified products
  • Advanced CNC and laser production equipment
  • OEM & ODM custom manufacturing services
20+
Years Industry Experience
3,000+
Global Custom Projects
3 Years
Structural Warranty
100%
CE, RoHS & UL Compliant

Customize Your Signage Solution

Select from our extensive product lines to build your custom brand layout.

LED Backlit Letter

LED Backlit Letter

Advertising Light Boxes

Advertising Light Boxes

Free Standing Giant LED Letters

Free Standing Giant LED Letters

Free Standing Giant Metal Letters

Free Standing Giant Metal Letters

Marquee Letters

Marquee Letters

Business A Frame Sign

Business A Frame Sign

LED Facelit Letter

LED Facelit Letter

Metal Letter Sign

Metal Letter Sign

LED Facelit&Sidelit Letter

LED Facelit & Sidelit Letter

Table Top LED Sign

Table Top LED Sign

Interior Logo Sign

Interior Logo Sign

LED Neon Sign

LED Neon Sign

LED Room Number Sign

LED Room Number Sign

Metal Wall Logo Sign

Metal Wall Logo Sign

Metal Warning Sign

Metal Warning Sign

Pylon Sign

Pylon Sign

B2B Sourcing Strategy: Compliance, Waterproofing & Scale

Key criteria for procurement managers and construction estimators sourcing illuminated signage.

IP67/IP68 Waterproof Standards

Outdoor backlit signs require complete protection against dust and moisture ingress. Kexian's products feature sealed LED modules and potted circuitry, maintaining operations in heavy rain, freezing snow, and high humidity.

Certified Electrical Integration

To pass electrical inspections, signage products must meet international standards. We supply UL 48-certified systems for North America and CE/RoHS compliance certificates for European developments, facilitating seamless building handovers.

SDCM Color Consistency Control

We maintain color consistency across production batches. By sourcing LED chips within a tight MacAdam Ellipse range (SDCM < 3), we ensure that side-by-side installations project identical color temperatures (e.g., 3000K Warm White).

Our Services

Whether you are an advertising agency, building contractor, or shop owner, Kexian offers tailored support across diverse industries.

OEM/ODM Signage

OEM/ODM Signage

Free 3D Design

Free 3D Design

Factory Pricing

Factory Price

Fast Shipping

Fast Shipment

Installation Guide

Online Installation Guide

Warranty

3 Years Warranty

Low MOQ

Low MOQ

Step-by-Step Customization Process

How we bring your custom concepts from initial inquiry to final international delivery.

Send Inquiry

1. Send an Inquiry

Share details on the installation location and required dimensions. This basic information helps us generate an accurate price quote quickly.

Design

2. Design

Share your ideas or design drawings with us to receive a free 3D rendering of the final sign installation.

Production

3. Production

Upon design approval, our production team starts fabrication. Our factory operates specialized equipment to ensure short lead times.

Inspection

4. Inspection

Every product undergoes a continuous 24-hour illuminated quality test and structural check before leaving our facility.

Transportation

5. Transportation

We partner with major international carriers to deliver orders safely to the US, Canada, Europe, Asia, the Middle East, and Africa.

After Sales

6. After Sales

We support installation with detailed documentation, video tutorials, online assistance, and a 3-year warranty.

Technical Roadmap: Future of Exterior Backlit Architectural Signage

An exploration of emerging lighting standards, energy systems, and eco-friendly manufacturing.

Adaptive Smart Illumination & IoT Integration

The next generation of backlit signage integrates smart daylight sensors and PWM dimming systems. By responding directly to ambient lighting, signs save energy during twilight hours and run at peak brightness when visibility is low. These systems connect to standard DALI or KNX building automation protocols, allowing facilities managers to monitor performance and energy consumption from a central dashboard.

Advancements in Thermo-optical Management

LED lifespan decreases if heat is not properly dissipated. Our research focuses on using aluminum-clad PCBs and high-conductivity thermal interfaces to transfer heat away from the light sources to the metal chassis. This thermal design ensures the light output remains steady over 50,000 hours of continuous operation, reducing the need for maintenance in hard-to-reach areas.

Featured Project Portfolios

Explore our custom outdoor signage projects developed for city branding, wedding venues, and commercial store owners.

  • Free Standing Giant Letters

    Large metal letters built for municipal landmarks, public parks, and headquarters entrances.

  • Marquee Wedding Rentals

    Durable marquee letters designed for event rental services, featuring quick assembly connectors.

  • Commercial Branding & Storefronts

    We have helped over 3,000 individual businesses create custom interior and exterior signs that stand out.

Frequently Asked Questions

Get professional answers regarding specifications, materials, electrical systems, and international shipping.

Which stainless steel grades are used for outdoor backlit numbers?
We use AISI 304 stainless steel for standard outdoor signs. For coastal developments or areas with high pollution, we recommend AISI 316 marine-grade stainless steel due to its higher resistance to chloride corrosion.
What power input is required for the LED backlit systems?
Our illuminated signs run on safe low-voltage 12V or 24V DC. Each order includes a transformer power supply that matches your local mains voltage (e.g., 110V AC for North America, 220V-240V AC for Europe).
Can these backlit numbers be mounted on stone or stucco walls?
Yes, our signs can be installed on masonry, concrete, wood, siding, and glass facades. We provide stud-mounting kits, spacer templates, and electrical schematics to guide your installer.
How long do the LEDs last in outdoor environments?
We source high-performance LED modules rated for up to 50,000 hours of operation. Combined with efficient heat dissipation and potted waterproofing, our lights are built to last.
What color temperatures do you offer?
We offer color temperatures ranging from warm white (2700K - 3000K) and natural white (4000K - 4500K) to cool white (6000K - 6500K). We also manufacture custom RGB and RGBW color-changing signs.
What is your standard production lead time?
Standard production takes 7 to 10 working days after design approval. Large architectural orders or complex designs may require 15 to 20 days depending on raw material specifications.

Latest Signage News

Updates on our international projects, logistics solutions, and product announcements.

Stainless Steel Letters Agricultural Project
02 Feb

Large-Scale Brushed Stainless Steel Metal Letters

Kexian designed, fabricated, and installed large-format brushed 304 stainless steel letters for an agricultural landmark project, ensuring long-term durability in rural environments.

Warehouse and Logistics Update
15 Feb

Expanding Local Logistics Networks

Leveraging US-local warehouses and postal services, Kexian offers fast delivery for neon products and customized backlit plaques across North American markets.

Charging Station Project Completion
31 Dec

Landmark Charging Station Signage Project

We completed fabrication for a major electric vehicle charging station, delivering totem signs with free 3D design and multi-lingual documentation.

Ready to Start Your Project?

Our engineering team delivers custom architectural signs designed to meet your project specifications. Reach out to get a custom quote and design mockup.

Request a Quote