The ropes are produced and tested in accordance with API-9A, these kinds of liner contact ropes, having high strength and excellent performance, are widely used in oil field of both land and ocean such as drilling lines, rod and tubing pull lines, horse head pumping unit lines, torpedo lines, winch lines, sand lines and so on.
The common construction: 6X36SW+IWRC, 6X19S+IWRC, 6X29FI+IWRC etc., to be produced according to GB/T8918-1996, API-9A standard.