Qinhuangdao Ousai shi Chemical Co.,Ltd

Inorganic chemicals(1)

Qinhuangdao Ousai shi Chemical Co.,Ltd

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calcium carbide
Specification: National SrandardGB10665-89
Detail: Grey, yellowish-brown ,black or brown solid block. Size:2-4mm,4-7mm,7-15mm,15-25mm,25-50mm,50-80mm Gas Yield:295L/KG


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