... RYT902C 120D,180D,260D,560D,720D,840D,etc. We can produce white and black spandex. UsageCovering core, air interlacing yarn, ... and Technology Group and has an annual output of 7200 tons spandex Scope of application of Ruyi spandex Production Capacity1. PTG and MDI ... order to achieve production requirments,so Polymerization Workshop is one of the most important workshops in our factory. 4.The polymer ...