Electro-tsawg npib tsib xee plating: Txhua yam koj yuav tsum paub Qhov hloov tshiab kawg 08/31, kwv yees lub sij hawm nyeem ntawv: 6 mins Qhov chaw nrog Electroless npib tsib xee plating Nickel yog thib tsib feem ntau pom hlau hauv ntiaj teb, nrog lub ntsej muag ci, zoo heev hardness, thiab corrosion -resistive zog, ua ...
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