Surface processing refers to the surface of
the base metal through various methods (mechanical, chemical, electrochemical,
physics and so on), the formation of new surface layer on the substrate. This
new layer surface is designed to the people, therefore, whether the state of
the metal matrix suitable for surface processing requirements is very
important. Surface treatment is usually surface adjustment (grinding,
polishing, sandblasting, eaves gutter, CNC high light etc.), surface cleaning
(in addition to wax, degreasing, cleaning, etc.), surface conversion film
processing (chemical oxidation, chemical passivation, phosphating etc.), metal
coloring (electroplating, PVD, fuel injection, electrophoresis, etc.).
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