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2024 25-50& 50-80mm 295L-315L/Kg Min Calcium Carbide with 100kg/Drum 50kg/Drum, Find Details and Price about Calcium Carbide Product from 2024 25-50& 50-80mm 295L-315L/Kg Min Calcium Carbide with 100kg/Drum 50kg/Drum - Zhungeer Banner JULONG Chemical Technology Limited Liability Company