National Polyester Thread Factory – Al Ayed Industrial Group أغسطس 2, 2018 دليل هاتف السعودية Polyester , Polystyrene & Polyurethane National Polyester Thread Factory – Al Ayed Industrial Group Category(s): Polyester , Polystyrene & Polyurethane 2nd Industrial City, Riyadh Phone: 011-4982250Fax: 011-4982246