EF Hardware Factory

Lever Arch Mechanism Manufacturer in China

EF is a professional lever arch mechanism manufacturer with over 23 years of experience. Our factory covers more than 10,000 m² and is equipped with automated assembly lines, ensuring stable quality and competitive prices.

We produce over 80 sizes of ring binder mechanism, widely used in office binders, A4 / FC / A5 folders, and lever arch files. Materials include high-quality carbon steel or stainless steel with nickel-plated or zinc-plated finish for rust resistance and durability.

With strong spring action, smooth operation, and long service life, our lever arch file clips are trusted by wholesalers and stationery brands worldwide.

EF also provides OEM & ODM services, including logo stamping and custom packaging. Whether you need standard sizes or special requirements, we can support your business with reliable products and fast delivery.