OEM service is offered.various kinds of Nonstandard Screws / Nuts / Bolts / Fasteners can be supplied 1)Material :carbon steel, Copper,Aluminum,Iron,or stainless steel and so on.2)Finish: Tin plated,other plated3)precision stamping pressing metal4)various kinds of Nonstandard Screws / Nuts / Bolts / Fasteners can be suppliedaccording to clients' detailed requirement Nonstandard fasteners