Mitengo ya Toluene diisocyanate inayamba kukweranso pa September 28, kufika pa 1.3%, yomwe inatchulidwa pa 19601 yuan / ton, kuwonjezeka kwa 30% kuyambira August 3. Pambuyo pa nthawi yowonjezereka, mtengo wa TDI wakhala pafupi ndi 19,800 yuan. / tani mu February chaka chino. Pansi pa kuyerekezera kosamala, ...
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