Ms. Yuan firstly analyzed the change of main fibers production and demand in past 5 years. Cotton is in worst conditions but prosperity started to recover from 2016. Vicose has been developing steadily but capacity is hard to expand significantly due to the policy. Spandex growth rate slows down but remains at high level. Recycled polyester evidently declines amid multiple restrains. In the future, players can pay attention to demand, crude oil and policy etc.