Calcium CarbideGas Yield: 295L/KG min,Size: 1-4mm, 4-7mm, 4-15mm, 7-15mm, 15-25mm, 25-50mm, 50-80mm, 70-100mm, 80-120mmCalcium Carbide for high quality Specification: Gas Yield: 295L/KG min, Size: 0.3-1mm, 1-4mm, 4-7mm, 4-15mm, 7-15mm, 15-25mm, 25-50mm, 50-80mm, 70-100mm, 80-1...
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