04.03.2011.
" DNIPROVSKIY PIPE WORKS " LLC has received renewed certificates of conformance of State standard certification UkrSEPRO to produce Casing pipes and couplings for them with diameters from 114 mm to 508 mm as per GOST 632-80 and Tubing pipes and couplings for them with diameters from 42 to 14 mm. Certificate № UA1.066.0025682-11 and UA1.053.0110098-10