GSTC manufactures and exports DEHP-free Ryles tubes — nasogastric tubes specifically designed for clinical applications where patient safety and accurate placement are critical. These tubes are used for enteral tube feeding, gastric drainage, and diagnostic stomach wash in hospital wards, ICUs and emergency departments. Available in 10 standard sizes from 6 FG to 24 FG every unit meets WHO-GMP and CE certification requirements. With over 60 years of medical device manufacturing experience, GSTC supplies Ryles tubes to hospitals, medical importers and procurement agencies across 60-plus countries — delivering consistent product quality and seamless international shipping on every order.