On the 29th, domestic carbon black prices remained stable. Currently, the mainstream product price for carbon black N220 is as follows: Shandong region: 8,100 CNY/ton; Shanxi region: 7,850 CNY/ton; Hebei region: 8,100 CNY/ton; Guangzhou region: 8,100 CNY/ton; Zhejiang region: 7,900 CNY/ton.