Yarn Stockists | Yarn Manufacturer | Yarn Producers | J H Ashworth Yarn, yarn manufacturer, wholesale yarn, yarn producers, medical yarn, nylon yarn, nylon, dyed nylon, dyed polyester, flat nylon, polyester. J H Ashworth & Son Ltd is a leading processor and stockist of quality yarns in the UK. They supply and process a wide range of high quality Nylon, Polyester, Viscose and other technical yarns to the UK, Europe, and worldwide.