China wholesale Coupling Blank Factory - CHINA COUPLING BLANK MANUFACTURER 20″K55 BC – Oilfield
China wholesale Coupling Blank Factory - CHINA COUPLING BLANK MANUFACTURER 20″K55 BC – Oilfield Detail:
The product specifications of our company are from 2-3/8 to “20″, and the steel grade is from J55 to Q125, covering all full series and steel grades.
The raw materials used by our company are all purchased from large and well-known domestic steel mills.
We will have every strict inspection on each product in the process of production, and each piece of casing coupling or tubing coupling keeps its related processing records, thread inspection records, flaw detection inspection records, phosphating and packaging records, to realize the traceability in the whole process, so as to ensure that every product can meet the customer requirements.
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We retain improving upon and perfecting our items and repair. At the same time, we perform actively to do research and progress for China wholesale Coupling Blank Factory - CHINA COUPLING BLANK MANUFACTURER 20″K55 BC – Oilfield , The product will supply to all over the world, such as: US, New York, Australia, With the goal of "zero defect". To care for the environment, and social returns, care employee social responsibility as own duty. We welcome friends from all over the world to visit and guide us so that we can achieve the win-win goal together.

High Quality, High Efficiency, Creative and Integrity, worth having long-term cooperation! Looking forward to the future cooperation!

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