1) Umbrella iron (AL) ribs, short bone, small joint, 2-fold/ 3-fold/ 4-fold/ 5-fold umbrella iron slot including paradise ribs, golf ribs, super mier ect, tens of thousands of styles. (2) Auto/ manual/ safe, plating / coloring with any styles as well spec according to customer request. (3) Finished umbrella: straight bone, 2-fold, 3-fold, etc according to cutomers need.
