N'ime okirikiri a, ọnụ ahịa coke mmanụ ala na-agbadata ntakịrị.Ka ọ dị ugbu a, ọnụ ahịa mmanụ ala coke na Shandong nọ n'ọkwa dị elu, na mgbanwe ọnụahịa dị oke.N'ihe banyere ọkara-sulfur coke, ọnụ ahịa okirikiri a na-agwakọta, ụfọdụ nnukwu ọnụ ahịa refinery mbupu slo...
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