Hengyang Valin Steel Tube Co., Ltd. (txij no mus hu ua HYST) tau tsim muaj xyoo 1958, nws yog ib lub tuam txhab me ntawm Hunan Valin Iron & Steel Group Co., Ltd. Tam sim no nws muaj 3900 tus neeg ua haujlwm nrog tag nrho cov cuab tam ntawm 13.5 billion Yuan. Nws tau lees paub tias yog ib lub tuam txhab thev naus laus zis siab thiab tshiab, ib lub tuam txhab uas muaj txiaj ntsig zoo hauv kev cai lij choj hauv tebchaws, ib lub tuam txhab ntawm kaum lub tuam txhab saum toj kawg nkaus hauv kev lag luam xa tawm hauv xeev Hunan thiab ib lub tuam txhab ntawm kaum lub chaw ua qauv qhia saum toj kawg nkaus hauv kev nyab xeeb hauv xeev Hunan.
CITIC Pacific Special Steel Holdings (luv luv CITIC Special Steel), yog ib lub tuam txhab me ntawm CITIC Limited. Nws tau muaj cov tuam txhab me xws li Jiangyin Xingcheng Special Steel Works Co., Ltd, Hubei Xinyegang Steel Co., Ltd, Daye Special Steel Co., Ltd, Qingdao Special Steel Co., Ltd, Jingjiang Special Steel Co., Ltd, Tongling Pacific Special Materials Co., Ltd thiab Yangzhou Pacific Special Materials Co., Ltd, tsim ib txoj kev tsim kho tshiab ntawm ntug dej hiav txwv thiab ntug dej hiav txwv.
Yangzhou Chengde Steel Pipe Co., Ltd. yog ib lub tuam txhab uas tau tsim los ntawm Jiangsu Chengde Steel Pipe Co., Ltd., uas yog lub tuam txhab thib ob hauv tebchaws, lub tuam txhab ntiag tug hauv xeev uas muaj cov kav hlau carbon 219-720 × 3-100mm thiab cov kav hlau tsis sib xyaw. Kev tsim khoom no npog ntau yam lag luam xws li Thermal power, Petrochemical & Refinery, boiler, Mechanical, Roj & roj av, thee thiab kev tsim nkoj. Lub tuam txhab yog lub tuam txhab ntiag tug hauv tebchaws uas muaj ntau yam kav hlau tsis sib xyaw ua ke.
Baotou Iron and Steel Group, Baotou Steel lossis Baogang Group yog ib lub tuam txhab hlau thiab hlau uas yog lub xeev muaj nyob hauv Baotou, Inner Mongolia, Suav teb. Nws tau hloov kho dua tshiab hauv xyoo 1998 los ntawm Baotou Iron and Steel Company uas tau tsim tsa hauv xyoo 1954. Nws yog lub tuam txhab hlau loj tshaj plaws hauv Inner Mongolia. Nws muaj lub hauv paus loj ntawm hlau thiab hlau thiab lub hauv paus tshawb fawb loj tshaj plaws thiab tsim cov av tsis tshua muaj nyob hauv Suav teb. Nws lub tuam txhab me, Inner Mongolia Baotou Steel Union (SSE: 600010), tau tsim tsa thiab teev npe rau ntawm Shanghai Stock Exchange hauv xyoo 1997.
