Generally, Dalian has six delivery months, such as 1 3 5 7 9 1 1, corn and soybean oil have two delivery months, August and 65438+February, and plastics have 12 delivery months.
Cotton, sugar, wheat and rapeseed oil in Zhengzhou are all delivered in six months, such as 1 3 5 7 9 1 1, PTA 12.