On the 29th, the domestic carbon black price remained stable. Currently, the mainstream product price of carbon black N330 in the market is as follows: 6,900 CNY/ton in Shandong region; 7,650 CNY/ton in Shanxi region; 7,100 CNY/ton in Hebei region; 7,100 CNY/ton in Guangzhou region; and 6,900 CNY/ton in Zhejiang region.