EF Hardware Factory

EF is a leading manufacturer of ring binder mechanisms in China. We offer over 80 sizes, high-quality materials, precise assembly, and OEM customization. Trusted global supplier.

EF specializes in producing ring binder mechanisms with 23+ years of manufacturing experience. Our modern workshop, covering over 10,000 m², combines automated assembly lines, advanced stamping, and electroplating processes to ensure high-quality, durable products for global stationery brands and wholesalers.

Product Features

• Material: premium  steel

• Surface Finish: nickel-plated 

• Sizes Available: over 80 standard sizes for A4, FC, A5 binders

• Durability: smooth opening & closing, strong spring action, rust-resistant

• Applications: office binders, lever arch files, folders

Why Choose EFH Factory

1. Experienced Manufacturer – 23+ years producing ring binder & lever arch mechanisms

2. Automated Assembly Lines – ensure consistent quality and reduce errors

3. High Production Capacity – support bulk orders and OEM customization

4. Global Export – trusted by international stationery brands in 30+ countries

Looking for a reliable ring binder mechanism supplier in China? EF offers high-quality products, OEM customization, and fast delivery.