SCIC Round Link Chain
Dị ka a gburugburu ígwè njikọ yinye emeputa ruo afọ 30, anyị factory a na-anọ na na-eje ozi oge dị oké mkpa nke Chinese yinye na-eme ka ụlọ ọrụ evolushọn nri maka Ngwuputa (coal m karịsịa), ibuli elu, na ulo oru ebu chọrọ na elu ike gburugburu. ígwè njikọ njikọ. Anyị anaghị akwụsị ịbụ onye na-eduzi ndị na-emepụta yinye njikọ okirikiri na China (nke nwere ihe karịrị 10,000T kwa afọ), mana rapara n'okike na imepụta ihe ọhụrụ.
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