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Contacts Steel grating a kind of customized product made from raw plate through deep processing including cutting, incising, perforating, rimming, etc. The raw plate is welded up by high pressure resistance welding machine with load flat steel and cross bar that are cross placed according to certain space.
The surface treatment can be hot galvanizing, cold galvanizing (electric galvanizing), paint spraying, antirust oil soaking, dipping, plastic spraying, and no treatment.