On July 18, the price of carbon black N220 in Henan market with tickets: 9,300 - 9,700 yuan/ton, the price of N330 with tickets: 7,900 - 8,100 yuan/ton; the price of N550 with tickets was 8,100 - 8,400 yuan/ton, and the price of N660 with tickets was 7,900 - 8,100 yuan/ton; the wait-and-see atmosphere was strong in the venue.