VAWTOP油管接箍...

VAMFJL油管扣定...

VAMFJL-VAM...

VAMHC油管接头，...

VAMHC油管订轧，...

VAMHC油管变扣，...

VAMHC油管-VA...

NEWVAM油管接头...

NEWVAM油管-N...

VAWTOP油管短接...

VAWTOP油管-V...

110SS双级扣油管...

油勘石油装备-镍铬油...

13Cr110油管-...

13Cr110油管台...

13Cr110油管供...

13Cr110油管-...

老虎扣油套管-油勘石...

镍铬油套管加工，钻杆...

油勘石油装备-P11...

110SS双级扣油管...

油勘石油装备-L80...

80S双级扣油管接头...

双级扣油管接头-90...

1.66寸老虎扣油套...

老虎扣油套管-5.5...

镍铬油套管加工，钻杆...

镍铬油套管-镍铬油套...

1.05双级密封螺纹...

1.315双级密封螺...