Dulmarka guud ee tuubooyinka batroolka ee tuubooyinka batroolka Tuubooyinka batroolka ee tuubooyinka batroolka ASME SA106, ASME SA179, ASME SA192, ASME Sa210, ASME Sa213, Asme Sa235, iwm, iwm Fasalka batroolka batroolka API 5L PSL1, PSL2 Api 5l Api 5l gr.b x42 x50 x65 x65 x70 iwm API 5ct-2018 Clading iyo Taga API 5ct API 5ct J55, K55, N80, N80Q, iwm