Ju lọ 1 lọ, {ṣ ran lọtọ}}} Awọn ile-iṣẹ kemikali ni shandong, o wa, jijigi, Zhejiang ati awọn agbegbe miiran ti tun ṣe
Laipẹ, Ẹka Aabo Tiiangsu ti oniṣowo ko {{{. 3} kemikali laarin akoko toodotan, iwe-aṣẹ iṣelọpọ aabo ni yoo fagile {{{{{7}
Niwon ọdun 2018, Shandong, O tun, Jiangsu, Hhejiiah Hebei, Jiangsu, Zhejiiang ati awọn agbegbe miiran ti de ọdọ rẹ ju 1 lọ, 000.