Kunshan Iron & Steel had iyo jeer waxay qaadataa horumarinta dhaqaalaha cagaaran iyo kaarboon-yar ee mas'uuliyaddeeda gaarka ah, waxayna si joogto ah u ballaarisaa macnaha horumarinta "nadiif, cagaar, iyo karbon-yar" ee warshadaha birta.2008dii, warshad nooceed cagaaran oo hogaamisa horumarinta birta iyo warshadaha birta aduunka ayaa laga dhisay Bohai Bay, taasoo noqotay "saldhig mudaaharaad" shirkadaha birta iyo birta si ay uga faa'iidaystaan tamar nadiif ah.