Tam sim no, Hunan Great Steel Yeeb Nkab Co., Ltd muaj 3 txheej ntawm kub-dov seamless steel yeeb nkab ntau lawm kab thiab 2 txheej ntawm kub-expanded seamless steel yeeb nkab ntau lawm kab nrog txhua xyoo muaj peev xwm ntawm 200,000 tons, qhov luaj li cas ntawm 73 hli mus rau 6 30mm.Nws lub cev thiab tshuaj lom neeg kuaj cab ua ntau yam kev kuaj lub cev thiab tshuaj thiab kev sim rau cov kav hlau, thiab tau nruab nrog eddy tam sim no flaw detectors, leakage txhaum detectors thiab ultrasonic crack detectors thiab lwm yam. Rau siab, nruab nrab thiab tsis tshua muaj siab seamless steel kav thiab petroleum casing kav. nrog rau tag nrho cov kev soj ntsuam ntsuas, muaj peev xwm ua tau raws li ntau yam qauv kev xeem thiab kev soj ntsuam cov cai rau cov kav hlau.