... yarn, circularly knitting, warp knitting, weft knitting, stockings, covering with cotton, medical bandage, baby and adult diaper,narrow fabric. ... Technology Group and has an annual output of 7200 tons spandex Scope of application of Ruyi spandex Production Capacity1. PTG and ... to achieve production requirments,so Polymerization Workshop is one of the most important workshops in our factory. 4.The ...