Since DUPONT introduced Spandex for commercial use in 1958 and registered the trademark (LYCRA), which is transliterated in the market as [Lycra], many people have used Lycra as the name of Spandex. Later, they were produced all over the world, such as VYRENE of U.S. RUBBER CO., ESPA of TOYOBO of Japan, BAYER, A.G. of Germany, W.GERMANY)'s DORLASTAN, UK COURTAULDS, UK's SPANZELLE, (B.F.GOODRICH

CHEMICAL CO., LTD)'s ESTANE, Japan's FUJIBO

(FUJIBO), TORAY-DUPONT, a collaboration between DUPONT and Japan's Toray,

CLEARSPAN and GLOSPAN from the United States (GLOBE

MANUFACTURING CO.), ACELAN from South Korea's Tae Kwang (TAE-KWANG), and Dongguohe TONGKOOK's TEXLON, HYOSUNG Hyosung's TOPLON and CREORA are the largest in the world. Asahi Kasei of Japan

ROICA, and then Asahi Kasei cooperated with Taiwan's Formosa Plastics Group in early 1999 to establish FORMOSA

ASAHI Company, referred to as FAS, Nisshinbo of Japan MOBILON

(Mobilon) has also added production lines to produce (TOWNSPAN) Donghua silk in Taiwan, and Taiwan has its own investment in Xue Hengxing's SHEIFLEX (雪飞丝), and mainland China also has Yantai's New Star , and Aoshen in Lianyungang are all produced with TOYOBO Toyobo's equipment and technology. Guangdong Heshan Spandex Factory was also put into production in 1996. Fujian Changle, Nantong Haimen, and Shandong Zibo also began to produce spandex. China's DUPONT cooperates with Huayuan in Shanghai. , and Zhejiang Huafeng's Millennium brand spandex was also put into production in 2000. In addition, DUPONT also cooperates with other factories (but DUPONT is not involved in production matters) and sells it under the ELASPAN brand. All over the world are investing in or expanding the production of spandex, making the elastic fiber market booming.

China's DUPONT is produced in cooperation with Huayuan in Shanghai, and Zhejiang Huafeng's Millennium brand spandex was also put into production in 2000. In 2004, Zhejiang Hualai Spandex, which adopted the world's most advanced Japanese "Nisshinbo" spandex production technology, was completed and put into production. According to statistical data from the National Bureau of Statistics and Customs, my country's spandex fiber output from January to November 2013 was 353,800 tons, a year-on-year increase of 26.77%; from January to November, the imported spandex fiber pure spandex was 13,000 tons, and the export was 41,700 tons; imported spandex bags Covered yarn was 5,200 tons, and exports were 1,800 tons; new resources (output of pure spandex imported spandex covered yarn imported) 372,000 tons, net increased resources (new resources - pure spandex exports - spandex covered yarn exports, that is, apparent Demand) 328,600 tons, showing that the market demand for China's spandex fiber industry is relatively strong. Compared with the previous month, the output and import and export of the spandex fiber industry in November 2013 fluctuated, resulting in changes in both new resources and net added resources in that month.