I whakatūria a Hengyang Valin Steel Tube Co.,Ltd. (e mōhiotia nei i muri nei ko HYST) i te tau 1958, he apiti nō Hunan Valin Iron & Steel Group Co., Ltd. Inaianei e 3900 āna kaimahi, ā, ko te tapeke o ngā rawa he 13.5 piriona Yuan. Kua whakamanahia hei umanga hangarau hou, he umanga whai painga ki ngā mana pupuri taonga hinengaro ā-motu, he umanga kei roto i ngā umanga tekau o runga i te pakihi kaweake i te Porowini o Hunan, ā, kei roto hoki i ngā wāhanga whakaaturanga tekau o runga i te haumaru i te Porowini o Hunan.
Ko CITIC Pacific Special Steel Holdings (CITIC Special Steel te whakarapopototanga), he apiti nō CITIC Limited. I a ia ētahi kamupene iti pērā i a 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 me Yangzhou Pacific Special Materials Co., Ltd, ā, i hangaia he mekameka ahumahi rautaki takutai me te taha awa.
Ko Yangzhou Chengde Steel Pipe Co., Ltd. he wāhanga motuhake mai i Jiangsu Chengde Steel Pipe Co., Ltd., koinei te tuarua o ngā umanga motuhake o te whenua, o te pūtaiao me te hangarau ā-rohe, e whakaputa ana i ngā paipa maitai waro 219-720×3-100mm me ngā paipa maitai kore hononga maitai koranu. He maha ngā ahumahi e pā ana ki tēnei mahi whakaputa, pērā i te hiko wera, te hinu matū me te whare whakapai hinu, te pūwero, te mīhini, te hinu me te hau, te waro me te hanga kaipuke. Ko te kamupene tēnei te umanga motuhake hangarau ā-rohe, ā, he maha ngā momo paipa maitai kore hononga.
Ko te Baotou Iron and Steel Group, ko Baotou Steel, ko Baogang Group rānei, he umanga rino me te rino ā-kāwanatanga kei Baotou, Inner Mongolia, Haina. I whakahoutia i te tau 1998 mai i te Baotou Iron and Steel Company i whakatūria i te tau 1954. Koia te umanga rino nui rawa atu i Inner Mongolia. He nui te pūtake whakaputa rino me te rino, ā, ko ia te pūtake rangahau pūtaiao me te pūtake whakaputa o ngā mea onge nui rawa atu i Haina. Ko tana kamupene apiti, ko Inner Mongolia Baotou Steel Union (SSE: 600010), i whakatūria, ā, i whakarārangihia ki te Shanghai Stock Exchange i te tau 1997.
