With the continuous progress of science and technology, the end of the 20th century, the international polyester staple fiber production equipment, the rapid development of large-scale, Nissan 100 tons production line into a large number of construction. At the beginning of the 21st century, 150 tons of Nissan and Nissan 200 tons of complete sets of equipment has also been widely used, only China to introduce more than 40 large-capacity production lines. The technology of these production lines mainly from the United States DuPont, Germany Gemma, Newmarket and Switzerland Ivinda and other companies, equipment mainly by the German blessing to take and Newmarket. At the same time, the domestic polyester staple fiber equipment manufacturers have also accelerated the pace of research and development, domestic Nissan 100 tons of polyester staple fiber production line came out in 2002. So far, domestic Nissan 100 tons of polyester staple fiber production line to drive more than 50, the technology has been more mature, the production line equipment can replace imports.