On July 4, the price of a large carbon black factory in Shanxi was stable. The price of wet N220 was 9200 yuan/ton, wet N330/660 was 8000 yuan/ton, wet N550 was 8300 yuan/ton, wet N326 was 8000 yuan/ton, and wet N375 was 8800 yuan/ton. The carbon black factory is a new energy industrial enterprise mainly engaged in deep processing of coal tar, carbon black production and fine chemical production. It now has 11 carbon black production lines with an annual production capacity of 450,000 tons.