the material is good nylon and enhance nylon,delicate appearance ,resistant corrosion,good toughness,various sizes.

the material is good nylon and enhance nylon,delicate appearance ,resistant corrosion,good toughness,various sizes with the best quality and the lowest price. they can replace modern various different materials hinges and used for all kinds of machinery,it is more useful for us to operate the machinery bring much convenience.of course the special size can be made by your special requirements.