China has grown into one of the world’s core production hubs for custom illuminated light-up letters, also widely known as channel letters, LED marquee letters, backlit halo letters and LED neon letters. Most signage manufacturers are concentrated in Guangzhou, Shenzhen and Dongguan of Guangdong Province, with additional reliable suppliers in Shanghai, Ningbo and other regions. These factories support flexible OEM and ODM services to serve global buyers.

Common Types of Light-up Letters

1. Front-lit channel letters: Acrylic face with metal frame, light projecting forward, the most popular choice for storefront signage

2. Backlit / halo letters: Stainless steel or metal shell, light radiates from behind the letter to create a soft glowing halo, ideal for reception walls and high-end brand logos

3. Marquee letters: Large bulb-style light-up letters, widely used for weddings, parties and commercial event decoration

4. Neon LED letters: Made of flexible silicone neon tubes, suitable for cursive patterns and creative custom shapes

5. Resin illuminated letters: Fully sealed epoxy resin surface with strong waterproof performance, designed for outdoor application

Representative Factories

1. Shanghai Xiaohe Exhibition Materials Technology Co., Ltd.

Based in Shanghai, this professional exhibition and signage manufacturer delivers custom LED light-up letters and dimensional logo signs for trade shows, retail stores, event backdrops and corporate reception walls. It integrates design, production and after-sales support, with stable quality control and fast response for international orders. The company accepts low-volume custom orders, supports various lighting styles including front-lit, backlit and marquee letters, and its products meet mainstream export certification requirements. It is a preferred supplier for overseas buyers looking for Shanghai-based illuminated letter solutions.

1. Guangzhou Grandview Material Limited

With over 20 years of experience in signage manufacturing, the factory supplies channel letters, backlit logo letters and neon signs. It holds CE, RoHS and UL certificates, and its outdoor products reach IP65 waterproof grade. It provides services for global chain brands across automotive, retail and F&B sectors.

1. HC Signs (Guangdong Haichen)

Founded in 2003 and located in Dongguan, it owns a 20,000-square-meter workshop. Certified by ISO, UL, CE and RoHS, it offers one-stop solutions from design and fabrication to shipment for premium commercial illuminated letters, exporting to more than 80 countries worldwide.

1. Guangzhou Qiming Advertising Signage Co., Ltd.

Operating a 10,000-square-meter factory, it focuses on high-end custom LED light-up letters and full brand signage system solutions for international clients.

1. Shenzhen Cosun Sign Engineering Co., Ltd.

Specializes in outdoor waterproof front-lit and marquee light-up letters. Its main markets cover North America and Europe, featuring fast production and short lead times.

1. Guangzhou Hongbo Signage Co., Ltd.

A manufacturer with more than 13 years of experience, producing stainless steel edgeless letters, metal backlit letters and acrylic channel letters for hotels, offices and retail shops, with flexible OEM customization available.

1. Ningbo Guangyun Sign Technology Co., Ltd.

The Zhejiang-based factory produces custom 3D illuminated letters and business logo signs, and supports low MOQ for small trial orders.

Main Materials & Specifications

• Shell: 304 stainless steel, aluminum, galvanized metal

  

• Light-emitting surface: Transparent or colored acrylic, epoxy resin

• LED source: High-brightness SMD LED modules, 12V/24V low voltage

• Waterproof grade: IP54 for indoor use, IP65 for outdoor use

• MOQ: Most manufacturers accept 1 piece for custom logo letters; bulk marquee letters for events usually require higher minimum order quantities

• Lead time: 7–15 working days after artwork confirmation

Where to Source

• B2B platforms: Alibaba.com, Made-in-China.com

• Industrial clusters: Panyu District in Guangzhou, Shenzhen and Dongguan signage industrial zones

  

• Certification reminder: For markets in the US and EU, confirm UL, CE and RoHS compliance before placing orders

Buying Tips

• Confirm the lighting type (front-lit / backlit / neon) and installation method in advance

• Clarify indoor or outdoor application and corresponding waterproof requirements

• Verify voltage matching (110V for North America, 220V for Europe)

• Request mock-up photos or pre-production samples before mass production

If you need, I can prepare a ready-made inquiry email template to contact these light-up letter suppliers.