The current trend of the thread period tends to be the same this week. Macro news to improve the boost to the futures market has been digested, in the absence of short funds to interfere, the snail quickly fell. As the environmental protection and production restriction policy has left a deep impression on the market, the conciliatory Sino-US trade relations and the production restriction policy issued in many places this week have also failed to restore the overall situation, and pessimism in the market continues to ferment under the influence of the disk. The phenomenon of selling goods at low prices is more common, with spot prices falling 30-140 yuan / ton.