Qilong’s SAWL applies internationally full-fledged JCOE productiontechnology and follows international and domestic products standards of APIspec 2B，API spec 5L，GB/T9711. Products covers wall thickness of 8-50mm, length of 6-12.5mand diameter of 406-2200mm with the maximum steel grade of X80. The annual productioncapacity is 250,000 tons. The products are mainly used as oil & gaspipelines, pipes for offshore engineering and various steel structures.