石油套管， 油管

Seamless Steel Casing & Tubing are widely used during oil& gas well completion. Our casing and tubing are manufactured in accordance with API Spec 5CT latest edition. We supply various pipes including:              casing(4-1/2”-20”), tubing(1-1/20”-4-1/2”) and couplings, and also can supply non-API casings, tubing, couplings and premium thread connections according to customer`s requirements.