The Global Recycling Standard (GRS) is an international, voluntary, and comprehensive product standard that specifies third-party certification requirements for recycling content, production and marketing chain of custody, social and environmental practices, and chemical restrictions.

In recent years, SINOFIBER has been devoted to the development and application of differentiated functional nylon staple fiber. It has accumulated dozens of new staple fiber varieties and jointly developed downstream products with spinning, weaving, dyeing and finishing, clothing-related enterprises and universities, with remarkable results.