hull is descaled,then improves the coating quality. 2.container with air blasting, container production efficiency is improved. certain roughness is obtained to improve coating quality 3.oil and gas pipeline with grit blasting, pipelines get rust resistance and anti-corrosion. 4.locomotive and wagon with blasting, coating quality is greatly improved. 5.surface pre-treatment and casting steel grit can also be used for surface pre-treatment, cleaning and descaling for casting parts. 6.cold rolled steel special steel grit will keep the production ability and certain roughness of cold roll. quality test sgs test production ...
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