Dissolution, the goods are stranded due to natural disasters, and there is a chain effect. The main ports of the Yangtze River were closed for three days due to the typhoon. PTA Zhapu and other regions have tight supply and futures have risen. Due to the typhoon, the main ports of the Yangtze River were closed. The speed of PTA to major ports slowed down rapidly, and the market supply and demand were unbalanced. The company could not adjust quickly and was dissolved.