China Petroleum and Chemical Corp., or Sinopec, cut its ex-works butadiene prices by 13-16%, effective Monday, end-users said Tuesday.

The largest reduction was in North China where Sinopec Sabic Tianjin is selling butadiene at Yuan 13,000/mt, or about $1,726/mt on an import parity basis. The current price is down about 16%, or Yuan 2,500/mt, from Yuan 15,500/mt on October 25.

But for its subsidiaries in East and South China, prices were reduced by Yuan 2,000/mt, or nearly 13%, to Yuan 13,500/mt.