After assessment of BT SVAP Astrakhan production capabilities and compliance with “NK “Rosneft” requirements BT SVAP was recommended to be manufacturer of pipes with external anticorrosion three-layer extruded polyethylene coating, with external anticorrosion three-layer and bi-layer extruded polyethylene coating , with external anticorrosion epoxy coating for the use of OJSC “NK “ROSNEFT” according to ТУ 1394-054-81417928, ТУ 1394-053-81417928-2014, «Field pipelines quality criterion of OJSC “NK “ROSNEFT” and its affiliates П1-01.05 Р-0107 revision 2.00».