Material: Aluminum, the product surface oxidation process, the leather material: PU leather.
产品材料：铝、产品表面氧化工艺、皮革材料：PU皮。
Chemical oxidation: through the chemical processing the metal surface oxidation film formation process.
化学氧化：通过化学处理使金属表面形成氧化膜的过程。
Weak erosion before plating, in a certain: remove metal parts in the solution of surface extremely thin oxidation film, and make the process of surface activation.
弱浸蚀：电镀前，在一定组成溶液中除去金属制件表面极薄的氧化膜，并使表面活化的过程。
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