creative loft style vintage pendant light rh antique industrial lamp hanging fixtures for dining room retro indoor lighting

Copper pipe cutting forming; Instrument nc machining; small machine polishing; Oxidation coloring treatment; Electrostatic spraying; Imported environmental protection paint; Persistent opening-closing experiment showed non-oxidizable and non-colorfast surface for more than a decade after the salt fog test at room temperature; With copper oxide bolt as fastener to ensure its service life


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