China is the world’s major manufacturing base for acrylic sign letters, covering laser‑cut acrylic 3D letters, backlit acrylic letters, front‑lit acrylic letters, acrylic channel letters, and custom acrylic logo letters. Below are leading suppliers categorized by strength, with core advantages:

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

• Location: Shanghai, China

• Core products: Custom acrylic 3D letters, laser‑cut acrylic sign characters, backlit & front‑lit acrylic illuminated letters, acrylic brand logos, indoor‑outdoor storefront signage, and supporting exhibition display lettering solutions. The company also provides integrated customized display material products alongside acrylic letter manufacturing.

• Strength: Specializes in export‑oriented custom signage and exhibition‑related acrylic products. It features high‑precision laser cutting and CNC processing, with professional surface polishing and UV printing capabilities. Supports flexible OEM & ODM, adaptable to both bulk mass orders and small‑batch sample trials. With convenient Shanghai port logistics, it serves global markets including Europe, North America and Southeast Asia. It offers complete custom options for acrylic sheet thickness, color, lighting configuration and packaging, and can meet international compliance requirements for export shipments. It is well‑suited for retail chains, shopping malls, corporate offices, exhibition projects and brand store sign projects.

2. Shenzhen Yihai Signage Co., Ltd.

• Location: Shenzhen, Guangdong

• Core products: Laser‑cut acrylic letters, backlit acrylic 3D letters, illuminated acrylic channel letters, custom brand signage.

• Strength: High‑precision laser cutting, large‑scale export business, supports OEM & ODM, widely serves overseas retail, hotel, office chain brands. Good at mass‑order and custom size/color.

3. Guangzhou Aishang Sign Co., Ltd.

• Location: Guangzhou, Guangdong

  

• Core products: Acrylic front letters, 3D acrylic raised letters, acrylic backlit sign letters, storefront signage.

• Strength: Mature export supply chain, competitive price for mid‑to‑large volume orders, accepts custom thickness (3‑20mm acrylic sheet), fast sample making.

4. Foshan Jialong Advertising Decoration Co., Ltd.

• Location: Foshan, Guangdong

• Core products: Solid acrylic letters, acrylic illuminated letters, acrylic logo characters, outdoor & indoor sign letters.

• Strength: Focus on domestic and Southeast Asian markets, stable quality, cost‑effective for medium‑size projects, supports bulk customization.

5. Zhejiang Ningbo Huayu Sign Co., Ltd.

• Location: Ningbo, Zhejiang

• Core products: Acrylic non‑illuminated letters, LED‑embedded acrylic letters, export‑oriented sign characters.

• Strength: Convenient port logistics, specializes in export to Europe, North America, good at compliance with international packaging and shipping requirements.

6. Dongguan Hongsheng Acrylic Sign Factory

• Location: Dongguan, Guangdong

• Core products: Custom acrylic cut letters, double‑sided polished acrylic characters, acrylic channel letters.

• Strength: Small‑batch & sample‑friendly, flexible MOQ, good for start‑up brands and small storefront projects.

Key buying tips for acrylic letters

1. Material: Common acrylic thickness: 3mm, 5mm, 8mm, 10mm, 15mm, 20mm; cast acrylic is better for outdoor weather resistance, extruded acrylic is cheaper for indoor use.

2. Process: Laser cutting, CNC milling, polishing, UV printing, backlit LED assembly.

3. Export considerations: Confirm shipping terms, waterproof treatment for outdoor letters, CE / RoHS certification if required for EU & US markets.

If you need, I can help you make a supplier comparison table or draft an inquiry template for sending to these factories.