จำหน่ายเคมีภัณฑ์งานชุบโลหะด้วยไฟฟ้า

Electroless nickel-plated parts Electroless nickel plating (EN) is an auto-catalytic reaction that deposits an even layer of nickel-phosphorus or nickel-boron alloy on the surface of a solid material, or substrate, like metal or plastic.