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The method of checking the processing effect of the sheet metal box-01

- Jan 06, 2018 -

1,Look at the steel plate, the steel plate must be thick, the goods are compared to the three, and you can feel what thickness is thinner with your finger.


2,Two look at the spray paint, a qualified cabinet, all the steel needs to spray paint, and the spray paint must be uniform, so that the ability to prevent rust, dust and so on.