we want to import the used tubing , casing from all over the world.
QIGDAO YFZ CO .is a large and comprehensive enterprise engaging in manufacture of oil and petrochemical equipment. In August 2004, it was reformed from General Engineering Machinery Factory of China....
Tubing : I. Non-upset Tubing with size of 1.9IN , 2-3/ 8IN , 2-7/ 8IN , 3-1/ 2IN, 4IN, 4-1/ 2IN II. External-upset Tubing with size of 1.9IN , 2-3/ 8IN , 2-7/ 8IN , 3-1/ 2IN. API 5CT STANDARD. ISO9001