extension ladder locker
We always use high quality cold rolled plates or SPHC to produes hinges proved those surface well and strength.
We are professional manufacure to produce stamping parts 15 years, present main part---- multi-purpose alu. ladder hinges since 2008. Our greatest strength is the stamping technology and assemble control system, and another side is the surface treatment. We are proud of having our electric galvanizing workshop to well control the thickness of zinc and looked beatiful. So if you are interested in our hinges, please contact us soon,
Telescopic ladder
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