Luleh Gostar of Esfarayen is as the only manufacturer of seamless steel pipes, included casing-tubing required oil, Gas and petrochemical industries . The purpose of this company is growth and development of the zone and synergistic with Esfarayen industrial complex as the biggest material supplier required of Luleh Gostar. In 2005 building operations finished with 124000 infrastructure and installation over 27800 Tons of machines and equipments in the 210 Hectares Area land. After running and transferring knowledge and technology, it sets out in 2006. This company has 5 producing lines included mill shop, heat treatment, casing, tubing and coupling and by 642 personnel’s are producing and proposing the products to the consumption market .