... ,black,etc 4.flat,pan, etc. types of hinges 1.Surface Finish: annealing, natural anodization, heat treatment, polishing, nickel plating, chrome plating, ... ROHS certificate.5.We have a lot of years technical experiences, we are engaged in the hardware for many years,we ... have been in constant pursuit continous progress.6.We commit ourself to smile to each customer1)Details: Product name types of hinges ...