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產品名稱:Multilayer gold - plate

A, gold - plate process: settlement process in printed circuit is deposited on the surface of stable color, good brightness, smooth coating, nickel gold platingwelding can be good. Basically can be divided into four stages: before thetreatment (except oil, micro etching, activation, leaching), nickel, gold, after treatment (waste gold washing, washing, DI Hong Gan).


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