Hauv kev tsim cov log tsheb, cov khoom siv raw cov nqi kwv yees li 80 %, ntawm cov roj hmab ntuj raug nqi ntau tshaj plaws, suav txog 41.6%, hluavtaws roj hmab accounting rau 11.8%, steel qaum accounting rau 16.0%, thiab carbon dub accounting rau 8.3 %, tshuaj auxiliary cov ntaub ntawv accounted rau 9.6%, thiab lwm yam nuj nqis accounted rau 12.7%.
Tire upstream raw cov ntaub ntawv feem ntau suav nrog cov roj hmab ntuj, cov roj hmab hluavtaws, cov ntaub ntawv steel hlua, carbon dub, roj hmab additives thiab lwm yam lag luam. Hauv kev tsim cov log tsheb, cov khoom siv raw cov nqi suav txog li 80%, ntawm cov roj hmab ntuj raug nqi ntau tshaj plaws, suav txog 41.6%, hluavtaws roj hmab accounting rau 11.8%, steel qaum accounting rau 16.0%, thiab carbon dub accounting rau 8.3%, tshuaj. Cov khoom siv pabcuam suav nrog 9.6%, thiab lwm yam kev siv nyiaj suav nrog 12.7%. Nws tuaj yeem pom tias cov roj hmab ntuj thiab cov roj hmab hluavtaws muaj ze li ntawm 60% ntawm cov nqi log tsheb, thiab cov kev hloov pauv ntawm cov nqi roj hmab yog ze rau cov log tsheb.