Ib qho ntawm kuv sab saum toj kaum steel hom
Sab saum toj 100 kev lag luam hauv Tianjin
Cov ntawv pov thawj siab tshaj plaws ntawm 5A cov khoom
Tianjin cov khoom lag luam nto moo
Txias tsim seem ceg ntawm Tuam Tshoj Steel Structure Association
Golden spectrum khoom plig ntawm Tuam Tshoj hom Festival
Sab saum toj 500 manufacturing tuam txhab nyob rau hauv Suav teb
Tianjin Daqiuzhuang Chamber of Commerce
Cov qhab nia ntawm Tuam Tshoj cov khoom siv hlau ncig lub koom haum yog qhov siab tshaj plaws AAA credit nkag nqi zog
Tuam Tshoj lub sijhawm tswj hwm kev tsim kho kev lag luam thiab kev koom tes Innovation Alliance
Tshwj xeeb tsim nyog rau txias dabtsi yog khoov steel ntau lawm steel qauv tsim nyob rau hauv Suav teb
Tianjin Jinghai District Federation of Industry thiab Commerce (chamber of Commerce)
Sab saum toj kaum lub tuam txhab them se hauv Tianjin
Tuam Tshoj Steel Structure Association
API Spec.5L Certificate
Bv daim ntawv pov thawj ntawm Fab Kis Lub Tsev Haujlwm Saib Xyuas Kev Thauj Khoom
European EN 10210 Txuj
European EN 10219 Txuj
Tianjin cov khoom lag luam nto moo
Century qub craftsman hnub qub" nyob rau hauv Tuam Tshoj txoj kev lag luam
GB / T24001-2016 / ISO 14001: 2015 Txuj
GB / T45001-2020 / ISO 45001: 2018 Txuj
Sab saum toj 500 private manufacturing tuam txhab nyob rau hauv Suav teb
ISO9001 ntawv pov thawj
DNV shipbuilding steel yeeb nkab ntawv pov thawj
Nyiv JIS kev lag luam tus qauv ntawv pov thawj JIS g3466 stkr400, JIS stkr490
ABS shipbuilding steel yeeb nkab daim ntawv pov thawj
Enterprise txheem BC1
CNAS
Nyiv JIS kev lag luam tus qauv ntawv pov thawj JIS g3466 stkr400, JIS stkr490
National Square Rectangular Steel Pipe Manufacturing Single Champion Certificate
Environmental Management System Certification Certificate
kev tswj xyuas qhov system ntawv pov thawj
Environmental Management System Certification Certificate
Green Product Certification
