Surface Treatment means processes including sandblasting, polishing, etc. In order to remove the various foreign substances attached to the surface of the object and provide a good substrate suitable for the coating requirements to ensure that the coating film has good anti-corrosion properties, decorative properties and certain special functions, the surface of the object must be pre-treated prior to coating to produce a product that meets the requirements for corrosion resistance, wear resistance, decoration or other special functions.
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