Prime can supply a complete range of Tubing and Casing made and inspected in full accordance with API Spec 5CT. Our company produce J55,K55,N80,L80, P110 different sizes of steel grades tubing, tubing pup joint ,Casing and coupling, annual output is about 150000t£¬including external upset tubing and casing 40000t. We have two production lines which can produce OD from 2-3/8" (60.03mm) to 7" (177.80mm) and One production line which can produce OD from 7" (177.80mm) to 13 3/8" (339.73mm). |