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News

Shelves of the production process

2015-12-18 14:22:38 凯发娱乐 Read

Automatic punching punch line → Computer → roll length cutting and folding → → electrostatic spraying carbon dioxide arc welding


Surface treatment:


Epoxy electrostatic spraying, coating thickness of 60 to 80 microns;


Degreasing → washing → pickling rust → washing → phosphate → high-pressure washing → drying → → electrostatic spraying, high temperature curing; shelves