Lub Ib Hlis 1993
Cov tswv cuab tseem ceeb ntawm pawg Yuantai Derun tau pib ua haujlwm hauv Tianjin Daqiuzhuang raj Hoobkas.
Lub Rau Hli 2002
Tianjin Yuantai Kev Lag Luam & Kev Lag Luam Co., Ltd. tau tsim, tshwj xeeb hauv cov square, square hollow steel yeeb nkab, kub galvanized welded (kub dip galvanized) square tube, lub peev txheej yog USD 10 lab.
Tsib Hlis 2004
Ib tug ntawm Yuantai subsidiaries Tangshan Lituo Steel Tube Co., Ltd. tau tsim, tshwj xeeb nyob rau hauv square rectangular ncaj welded hollow steel yeeb nkab,sau npe peev yog USD 10 lab.
Plaub Hlis Ntuj 2005
Yuantai Steel Square Pipe Co. Ltd. tau tsim, tshwj xeeb hauv square vuam hollow steel raj thiab galvanized raj, tus sau npe yog USD 2 lab.
Peb Hlis 2010
Tianjin Yuantai Runxiang kev lag luam lag luam tuam txhab tsim, tshwj xeeb hauv kev lag luam steel hlau, galvanized yeeb nkab tus neeg sawv cev, thiab lwm yam., cov peev txheej yog USD 2 lab.
Peb Hlis 2010
Tianjin Yuantai Derun yeeb nkab raug tsim pab pawg Co. Ltd. tau tsim, kos npe tias kev tsim cov high-frequency welded dub, galvanized square yeeb nkab, kauv welded yeeb nkab, yeeb nkab logistics thiab yeeb nkab lag luam raws li ib tug ntawm cov loj-scale koom ua lag luam Yuantai Derun pab pawg neeg. tau tsim tsa, pawg sau npe peev yog USD 20 lab.
Peb Hlis 2010
Tianjin Yuantai Derun Investment Co., Ltd. yog tsim los, tshwj xeeb hauv steel yeeb nkab kev lag luam saw, qis kev lag luam mergers thiab acquisitions thiab industrial vaj tse kev loj hlob, lub npe peev yog USD 2 lab.
Lub yim hli ntuj 2013
Tianjin Derun Runfeng yeeb nkab manufacturing Co. Ltd tau tsim, tshwj xeeb hauv kev kub galvanized (kub galvanizing) ua lag luam, cov peev txheej yog USD 8 lab.
Peb Hlis 2015
Tianjin Yuantai Yuanda anti-corrosion rwb thaiv tsev yeeb nkab Co., Ltd. tau tsim, tshwj xeeb hauv kauv welded yeeb nkab ntau lawm thiab muag, cov peev txheej sau npe yog USD 2 lab.
Lub yim hli ntuj 2015
Tangshan Yuantai Derun Yeeb Nkab Co., Ltd. tau tsim, tshwj xeeb hauv steel sawb, steel yeeb nkab kev lag luam, npe peev yog USD 1 lab.
Peb Hlis 2016
Tianjin Yuantai Derun International Trade Co., Ltd tau tsim, feem ntau koom nrog thoob ntiaj teb ntshuam thiab xa tawm lag luam rau Yuantai Group, sau npe peev yog USD 2 lab.
