Sucker Rod Couplings, Anti-Wear, Spray-Welded, Small BoreMan

Oil and Casing Sales
Glossary of Oil Casing Terms

- API: It is the abbreviation for the American Petroleum Institute.
- OCTG: It is the abbreviation for Oil Country Tubular Goods, which includes finished oil and casing pipes, drill pipes, drill collars, couplings, and nipples.
- Oil Tube: A pipe used in oil wells for oil and gas production, water injection, and acidizing and fracturing.
- Casing: A pipe inserted into a drilled wellbore from the surface to act as a lining to prevent the wellbore from collapsing.
- Drill Pipe: A pipe used for drilling wellbores.
- Line Pipe: A pipe used for the transportation of oil and gas.
- Coupling: A cylindrical body with internal threads used to connect two threaded pipes.
With fast delivery and high quality, we help customers reduce costs and increase efficiency. Our vision is to build an international petroleum pipeline equipment enterprise through integrity and innovation. We welcome leaders and friends from all sectors to visit and cooperate for mutual development.

1. Since 2008, we have 17 years of experience, a registered capital of 11.18 million RMB, an 8,000 m² workshop, and an annual foreign trade turnover of 20 million RMB.
2. We have import and export rights, ISO 9001 quality system certification, API 5CT certification from the American Petroleum Institute, and multiple national patent certificates.
3. Our production workshop is equipped with several highprecision CNC lathes, thread rolling machines, hydraulic pressure machines, and complete inspection instruments.
4. Our products include J55, K55, N801/Q, L80, and P110 oil casings, couplings, short joints, and conversion joints.
5. We maintain a stock of high corrosionresistant oil casings, including 80S, 90S, 110S, and L801Cr/3Cr/13Cr, with an annual inventory of around 2,000 tons.
6. We provide processing services for special sealing threads, including direct connection types, trapezoidal shapes, doublestep, and variable pitch threading, producing tens of thousands of special couplings each year.