I kēia pōʻai, ua loli iki ke kumu kūʻai o ka petroleum coke. I kēia manawa, aia ke kumukūʻai o ka coke petroleum ma Shandong ma kahi kiʻekiʻe, a ua kaupalena ʻia ke kumukūʻai. Ma ke ʻano o ka coke medium-sulfur, ua hui pū ʻia ke kumukūʻai o kēia pōʻai, ʻo kekahi mau mea hoʻouna kiʻekiʻe kiʻekiʻe kiʻekiʻe ...
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