We combine the strength of cold forming with the precision of CNC machining to achieve tolerances impossible by forming alone.

Our Core Competence： Heavy-duty Bushings & Sleeves for Extreme Vibration Environments. Multi-station cold formers up to 6 die 6 punch enable us to form near-net shape collars with zero scrap.

Ningbo Yihu hardware Manufacturer is a reliable partner,  we’ve specialized in the production of complex cold-formed, precision machined components and fasteners since 2005,  it mainly for anti-vibration systems, air conditioning system, brake systems,  tailor made acording to your sample or drawing, strong item are  Bushing and Sleeves, collar nuts, rivet nuts, shoulder nuts, welding nuts. special pins and screws.

All our collar nuts and welding nuts are produced with full traceability. We support PPAP level 3 and IMDS submission.