Nickel underplating prevents the migration between tin or gold platings and the base material.
垫板
镍可防止
或金层与基料之间的移动。
Nickel underplating prevents the migration between tin or gold platings and the base material.
垫板镍可防止或金层与基料之间的移动。
Process of surface treatments include gold plating, silver plating ,nickel plating, chrome plating, tin plating, zinc plating, electrostatic painting, cataphoretic coating, aluminium oxidizing, etc.
产品的表面处理（金．银．镍．铬．．锌．静
喷涂．喷漆等）。
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