Calcium Carbide, Graphite Electrode, Cac2 manufacturer / supplier in China, offering Chemical Industrial Gas Cac2 Calcium Carbide Stone 50-80mm 295L/Kg, Calcium Carbide 25-50mm Producers Calcium Acetylene Gas Yield 295-305L/Kg, Calcium Carbide 295L/Kg Cac2 80-120mm Factory Acetylene High Quality and so on.
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