Gabatarwa game da Ƙarfin PVC a cikin Sin da Duniya

Dangane da kididdigar da aka yi a shekarar 2020, yawan karfin samar da PVC na duniya ya kai tan miliyan 62 kuma adadin ya kai tan miliyan 54. Duk raguwar fitarwa yana nufin cewa ƙarfin samarwa bai gudana 100%. Saboda bala'o'i, manufofin gida da sauran dalilai, abin da ake fitarwa dole ne ya kasance ƙasa da ƙarfin samarwa. Saboda tsadar kayan aikin PVC a Turai da Japan, ƙarfin samar da PVC na duniya ya fi mayar da hankali ne a arewa maso gabashin Asiya, wanda China ke da kusan rabin ƙarfin samar da PVC na duniya.

Dangane da bayanan iska, a cikin 2020, China, Amurka da Japan sune mahimman wuraren samar da PVC a duniya, tare da ikon samarwa ya kai 42%, 12% da 4% bi da bi. A cikin 2020, manyan kamfanoni uku a cikin ƙarfin samar da PVC na shekara-shekara sune Westlake, shintech da FPC. A cikin 2020, ƙarfin samarwa na shekara-shekara na PVC ya kasance tan miliyan 3.44, tan miliyan 3.24 da tan miliyan 3.299 bi da bi. Na biyu, kamfanoni masu karfin samarwa sama da ton miliyan 2 suma sun hada da inovyn. Jimillar karfin samar da kayayyaki na kasar Sin ya kai ton miliyan 25, tare da fitar da tan miliyan 21 a shekarar 2020. Akwai masana'antun PVC sama da 70 a kasar Sin, kashi 80% na tsarin sinadarin calcium carbide da kashi 20% na hanyar ethylene.

Yawancin hanyoyin da ake amfani da sinadarin calcium carbide sun taru ne a wuraren da ke da albarkatun kwal kamar su Mongoliya ta ciki da kuma Xinjiang. Wurin shuka na tsarin ethylene yana cikin yankunan bakin teku saboda albarkatun VCM ko ethylene suna buƙatar shigo da su. Yawan karfin samar da kayayyaki na kasar Sin ya kai kusan rabin duniya, kuma tare da ci gaba da fadada sarkar masana'antu na kasar Sin, karfin samar da makamashin PVC na hanyar ethylene zai ci gaba da karuwa, kuma kasar Sin za ta ci gaba da lalata kason PVC na kasa da kasa.