Li Guodong, deputi menesa bilong Ogenik Kemikel Dipatmen bilong Is Saina Brens bilong Sinopek Kemikel Sels Ko., Ltd{1}}, i tok olsem ol styrene prodak i bin kisim nem longpela taim olsem "ol devil prodak", moa yet bikos long liklik mak bilong domestik maket{3}} i no inap long kisim prais bilong domestik maket{3}} i no inap long kisim prais bilong domestik maket{3}}I . maket. Stat long 2014 i go inap long 2018, volium bilong impot i go daun long yia bihain long yia, na impot dipendens long 2018 i bin go daun long 26%.
Long sait bilong prodaksen kapasiti, stat long 2014 i go inap long 2018, domestik styren prodaksen kapasiti i go antap long 6.95 milien tan i go long 9{{12}1 milien tan, na kapasiti i go antap long 32.5%. Long sait bilong lukluk bilong konsumsen, domestik lukluk konsumsen long 2014 em 8.42 milien tan, na long 2018 em i go antap long 2.6 milien tan i go long 11.02 milien tan, wanpela inkris bilong 30.9%. Gro bilong prodaksen kapasiti na konsumsen em i as bilong wankain, na opereting reit i bin go antap long yia bihain long yia, stat long 67.48% long 2014 i go long 88.06% long 2018.
Li Guodong i bin kamapim, long sait bilong ol prais trend, lukluk long Jiangsu styrene maket long las 5-pela yia, prais operesen i bin kamap long 2014 em 6400-12100 yuan / ton,2015 6600-11200} yuan / / / /ton,2017 8180 - 12 yuan / tan,2017 8180 - 12 yuan / tan,2017 8180 - 12 yuan / tan,2017 8180 - 12 yuan / tan,2017 8180 - 12 yuan / tan,2017 8180 - 12 yuan / tan,2017 8180 - 12 yuan / tan,2017 8180 - 12 yuan / tan,2017 8180 - 12 yuan / tan,2017 8180 - 12 yuan / tan,2017 8180 - 12 yuan / tan,2017 8180 - 12 yuan / tan,2017 8180 - 12 yuan / tan,2017 8180 - 12 yuan / tan,2017 8180 - 12 yuan / tan,2017 8180 - 12 yuan / tan,2017 8180 - 12 yuan / / 2. 7750 - 14,000 yuan / wn long 2018. CFR Saina na ol pasin bilong prais bilong haus i stap wankain, na styrene i gat bikpela wok bung wantaim ol bikpela raw materiel purel{9}}
Long saplai na askim bilong domestik styrene long 2019-2023, Li Guodong i bin mekim wanpela prediksen. Em i bilip olsem wantaim opening bilong Zhejiang Petrokemikel 1.2 milien tan long pinis bilong 2019 na Saina Siping Siwen i bin tingim na ol i ting olsem ol i bin mekim ol senis long ol senis bilong ol sta long 2020, Saina Quanzhou na Gulei, ol i ting olsem ol i bin mekim ol samting bilong lukautim ol samting long 2020, Saina Quanzhou na ol i bin askim Guli. ol impot i go daun tru. Bihain long ol i go insait long 2020, ol i ting olsem sterin tred paten long olgeta hap bilong Not-is Esia i mas go insait long ol bikpela senis. Em olsem, long 5-pela yia i kam, ol i ting olsem maket bilong ol 'styrene' bai senis long maket bilong salim i go long maket bilong baia, na ol i ting winmani bilong indastri bai i go liklik.