Tight race spun cotton viscose yarn JC60 / R40 ratio 21 32 40 Feng Shui Changyi Textile Co., annual production of cotton yarn stick C60 / R40, C50 / R50, different ratio of R65 / C35, etc., there are 21 count 30 32 40 and so on, there are craft ring, siro spinning, spinning, spinning, etc. Siro, quality reached Worcester 5% of the standard, less hairiness, high strength, evenness uniform, mainly for , fabrics, knitted fabrics, high-grade fabric, etc., according to customer requirements,