We supply API 5CT Certified Casing & Tubing coupling as standard.
We also supply premium or semi-premium thread couplings under license agreement.
Sometime, we can supply semi-finished or roughly machined coupling sleeve according to customer's demand.
We have always on-hand coupling stocks for quickest supply. Our general delivery is within 1 month for shipping.
Even without stocks, we can supply couplings within 2 months.
We use raw materials from certified mills world wide.
You can trust on our quality systems and will be very satisfied with our good prices as well.
We operate local warehouses and repair shop soon for the quick supply and response to customer's requirements.

We supply couplings as belows

Sizes	2 3/8" / 2 7/8" / 3 1/2" / 4 1/2" / 5 1/2" / 7" / 9 5/8" / 13 3/8" / 20"
Thread Type	STS / LTC / BTC
Material Grade	J55 / K55 / N80 / L80 /P110
PSL	1
Delivery Condition	Threaded / Mn Phosphated / Color Painting and Code / Wooden Boxes

We appreciate all kinds of inquiry (any size, any material, any thread, any quanity)

About Our Company

K-Pipe was established on May,2017.
We manufacture hydro-fracturing related parts from raw material sourcing to the finished machining as well as quality assurance certifications by the international standards.

We have various and wide expereriences of delivery records to American market.

Our major machining equipments and facilities are based on CNC turning centers , MCTs,
and large sized 5face milling machines and boring machine. And also, 3 Axis measuring center is equipped. Our plant system is very suitable for machining of small to large sized products.
And we supply Plug valve,swivel joint,pup joint as well.