Ụlọ ọrụ Kaiyuan Graphite Factory, Pingdingshan City, Henan Province, bụ ọkachamara na-emepụta ihe osise, nke na-emepụta graphite Molded, Large Graphite Block, Molded Graphite Block, Carbon Graphite Block, na ọtụtụ afọ nke ahụmahụ ụlọ ọrụ, àgwà...
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