circular groove top hung friction hinge

{"cid":"91201827","title":"Zinc Plating Casement Window Hinges , Top Hung Friction Hinges Groove Width 23.5mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/92\/03\/464051e2f1892124729abc25eac3-200x200-1.jpg","attrs":{"Price":"Negociated","Minimum Order Quantity":"Negociated","Delivery Time":"30 working days","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"500000pcs per month","Packaging Details":"Paper box","Material":"Iron","Finish":"Zinc plating","Type":"brass, stainless steel, nylon cover stainless steel","Application":"Window and door","Brand":"Hanzson","Design":"Modern"}}