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Hunan Great Steel Pipe Manufacturing Co., Ltd. rite te kaihanga ngaio o ngā hua parahi, kua haumi matou e ono wheketere puta noa Haina, e ko Hunan Great Steel Pipe Co., Ltd., Hunan Longshengda Steel Pipe Co., Ltd., Hebei Changfeng Steel Tube Manufacturing Group Co., Ltd., Guangzhou Juyi Steel Pipe Co., Ltd, Cangzhou City Sined Steel Pipe Group Co., Ltd. ko Liaoyang Xingde Steel nui Pipe Plant. To tatou hua matua he korere parahi te koti, ERW, SSAW, paipa LSAW ki te hanga kaha o 2,000,000MT ia tau. 

Hunan Great Steel Pipe Co., kua Ltd rua ngā rārangi taumata matatau 3PE putorino paninga production ao, i te mea 2PE production ngaio, 3PE, 2PP, 3PP, anti-te waikura maitai FBE putorino, putorino maitai taua takiwa, te whakaputa me te tukatuka o moata sima kapi waikura, polyurethane pahuka i tanumia putorino, i te hanga o te raupapa ethylene o coatings anti-waikura, IPN8710 inu coatings anti-waikura paitini, pāmahana te waikura nui o raupapa coatings organic, raupapa kiriaku o coatings anti-waikura. te kamupene he whakapaipai rēhita o 30 miriona me te kei i roto i te rohe o Yuhua, Changsha City, Hunan Province. Ko te nui-tauine tōrino putorino maitai turanga production i roto i Central me Tonga China. Kua haere te kamupene ISO9001: 2000 kounga tohu pūnaha whakahaere, ISO14001: 1996 whakahaere taiao tohu pūnaha, raihana taputapu ahumahi motuhake, me te tahi atu paerewa tohu, whakatūria he pūnaha mana kounga hua tino, kua tukua ki te hanga i te nui-e tukua, tiketike-mahi maitai production turanga, ka āta whai hangarau production motuhake, me te matatau ki te whakatau i nga hiahia nui o kiritaki, me te whakarei ake i te whakataetae whānui o te mākete.

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I roto i te heke mai, ka haere tonu i te kamupene ki te piri ki te ariā o " hanga uara mō kiritaki " me mahi pono ki hoa i hīkoi katoa o te ora. He pai ki te hanga atu tautooraa mo te tahi wā roa-o ia atu ki-te kounga tiketike, me te-kounga teitei maitai atu putorino matou.