Recently, JLSP received  special equipment production license forfactory prefabricated pipe sections issued by Hebei Provincial MarketSupervision Administration, marking that JLSP has officially obtained theproduction qualification of sleeve pipe tee.

Factory prefabricated pipe section refers to the prefabricated weldingof 500mm-1500mm long sleeve pipes at both ends of the main pipe before thedelivery of the tee products in the factory, and realizes the equal wallthickness butt joint of the tee and the line steel pipe at the constructionsite to meet the automatic welding of the girth weld and the need of phasedarray flaw detection, greatly improving the efficiency of pipeline constructionand boosting the speed of pipeline construction.