... Service Offered ; Design Service Offered ; Buyer Label Offered. enamel key chain, 1) Materials: Iron , brass , zinc alloy , gold , silver and so ... clients' required .3) Design & Logo : Can according to clients' requirements.4) Electroplating / finish : Nickel ,black nickel , imitation gold , gold , glossy copper ... , by sea or by DHL/TNT/UPS/EMS/...Express. enamel key chain