iron drum sealed with nitrogen of calcium carbide 100/50 kg drum 1.high gas yeilid 2.new iron drum 3.with nitrogen sealed iron drum sealed with nitrogen of calcium carbide 100/50 kg drum PRODUCTCalcium carbide / AcetylenogenSIZE50-80mmAPPEARANCEIndustrial products are gray,...

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carbide manufacture in china export make calcium carbide 1.high gas yield 2.new iron drum 3.with nitrogen 4.sealed package carbide manufacture in china export make calcium carbide PRODUCTCalcium carbide / AcetylenogenSIZE50-80mmAPPEARANCEIndustrial products are gray, brown...

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chemical carbide manufacture in china for ethylene gas 1.high gas yield 2.new iron drum 3.with nitrogen 4.sealed package chemical carbide manufacture in china for ethylene gas PRODUCTCalcium carbide / AcetylenogenSIZE80-120mmAPPEARANCEIndustrial products are gray, brown or...