Oil Casing-Yuntao Piping Group.,Ltd.

V150 Oil Casing

V150 Oil Casing is a high-strength petrol...

Q125 Oil Casing

Q125 Oil Casing (Q125 oil casing) is a hi...

T95 Oil Casing

T95 Oil Casing is a widely used medium to...

C90 Oil Casing

C90 Oil Casing is a medium strength casin...

L80 Oil Casing

L80 Oil Casing is a widely used medium st...

K55 Oil Casing

K55 Oil Casing is one of the most widely ...

API J55 Oil Casing

API J55 Oil Casing is the most basic low ...

API N80 Oil Casing

API N80 Oil Casing is a widely used mediu...

P110 Oil Casing

P110 Oil Casing is a typical representati...