Appearance structure proofing, polishing oil injection silk screen printing, laser engraving, electroplating and polishing, can be made of transparent parts,

Due to the mismatch of copper nut specifications, reaming is required

Start to insert copper nut

Inlay copper nut in progress

After the copper nut is inserted, the copper nut is fixed with industrial glue.

Open rough grinding, let the back color, get the proofing products that customers want to need.