60.32密封扣油管...

密封扣油管-油勘石油...

密封扣油管-油勘石油...

密封扣油管-油勘石油...

HC油管定制，T95...

HC油管-油勘石油装...

HC油管-油勘石油装...

HC油管定制，T95...

HC油管变扣，L80...

密封扣油管-73.0...

油勘石油装备-127...

127密封扣油管，-...

101.6密封扣油管...

127密封扣油管，-...

N80Q石油管材，-...

N80Q油管短节加工...

N80Q短节，短节定...

110SS油套管，变...

110SS-110S...

110SS-110S...

油勘石油装备-110...

油勘石油装备-110...

28Cr短节，石油管...

28Cr变扣，石油管...

NC23钻杆，HW加...

NC23钻杆，HW加...

钻杆-油勘石油装备-...

钻杆-NC40钻杆，...

钻杆-NC46钻杆，...

钻杆-NC44钻杆，...