Ib qho ntawm kuv kaum hom hlau zoo tshaj plaws
100 lub tuam txhab zoo tshaj plaws hauv Tianjin
Daim ntawv pov thawj siab tshaj plaws ntawm 5A khoom
Tianjin cov khoom lag luam nto moo
Cold-formed section ceg ntawm Tuam Tshoj Steel Structure Association
Golden spectrum award ntawm Tuam Tshoj hom Festival
Sab saum toj 500 lub tuam txhab tsim khoom hauv Suav teb
Tianjin Daqiuzhuang Chamber of Commerce
Kev ntsuas qhab nia ntawm Tuam Tshoj cov khoom siv hlau yog qhov siab tshaj plaws AAA credit enter prise
Tuam Tshoj lub sijhawm tswj hwm kev txhim kho kev lag luam thiab kev koom tes tshiab
Kev tsim nyog tshwj xeeb rau kev tsim cov hlau khoov txias ntawm cov qauv hlau tsim khoom hauv Suav teb
Tianjin Jinghai District Federation of Industry and Commerce (Chamber of Commerce)
Kaum lub tuam txhab them se zoo tshaj plaws hauv Tianjin
Tuam Tshoj Steel Structure Association
Daim Ntawv Pov Thawj API Spec.5L
Daim ntawv pov thawj BV ntawm Fabkis Bureau of shipping
European EN 10210 Tus Qauv
European EN 10219 Tus Qauv
Tianjin cov khoom lag luam nto moo
Lub hnub qub ua tes ua taw uas muaj hnub nyoog pua xyoo" hauv kev lag luam kev tsim kho hauv Suav teb
GB/T24001-2016/ISO 14001:2015 Tus Qauv
GB/T45001-2020/ISO 45001:2018 Tus Qauv
Sab saum toj 500 lub tuam txhab tsim khoom ntiag tug hauv Suav teb
Daim ntawv pov thawj ISO9001
Daim ntawv pov thawj DNV shipbuilding steel yeeb nkab
Daim ntawv pov thawj txuj ci kev lag luam Nyiv JIS JIS g3466 stkr400, JIS stkr490
Daim ntawv pov thawj ntawm ABS shipbuilding steel yeeb nkab
Tus qauv lag luam BC1
CNAS
Daim ntawv pov thawj txuj ci kev lag luam Nyiv JIS JIS g3466 stkr400, JIS stkr490
Daim Ntawv Pov Thawj Ua Tus yeej ntawm National Square Rectangular Steel Pipe Manufacturing Single Champion
Daim Ntawv Pov Thawj Kev Tswj Xyuas Ib puag ncig
daim ntawv pov thawj kev tswj hwm zoo
Daim Ntawv Pov Thawj Kev Tswj Xyuas Ib puag ncig
Daim Ntawv Pov Thawj Khoom Ntsuab
