Ruyi spandex is the professional spandex manufacturer for diaper in China, applied advanced continuous polymerizing and dry spinning techniques that feature huge production capacity and stabilized polymers. We can produce white and black, fine denier and heavy denier spandex, such as 70D,105D,140D,210D,280D,420D,490D,560D,620D,720D,840D,1120D,1680D,2240D,2500D, 4600D,5000D, which can be used for knitting, weaving, medical bandages, narrow fabric and baby or adult diapers. We have passed ISO9001 and Oeko class I certifications.