O se tasi o a'u ituaiga u'amea e sefulu pito i luga
Top 100 pisinisi i Tianjin
Le tusipasi maualuga o oloa 5A
Tianjin oloa lauiloa lauiloa
Malili fausia vaega lala o Saina Steel Structure Association
Fa'ailoga o alaleo auro o Saina fa'ailoga Festival
Top 500 pisinisi gaosi oloa i Saina
Tianjin Daqiuzhuang potu o Pisinisi
Fa'ailoga fa'aaitalafu a Saina fa'asoa fa'ameamea fa'ameamea o le fa'ailoga pito i luga ole fa'ailoga AAA
Saina taimi Pulea Atina'e Atina'e ma Galulue Fa'afouina Alliance
Fa'ailoga fa'apitoa mo le fa'apipi'iina o le uamea malūlū o le gaosiga o fausaga u'amea i Saina
Tianjin Jinghai Itumalo Fa'alapotopotoga o Alamanuia ma Pisinisi (suafa o Pisinisi)
E sefulu pisinisi totogi lafoga sili i Tianjin
China Steel Structure Association
API Spec.5L Tusi Faamaonia
Bv tusipasi a Farani Ofisa o felauaiga
Europa EN 10210 Standard
Europa EN 10219 Tulaga
Tianjin oloa lauiloa lauiloa
Century old tufuga fetu" i le fale faufale a Saina
GB/T24001-2016/ISO 14001:2015 Standard
GB/T45001-2020/ISO 45001:2018 tulaga masani
Top 500 pisinisi gaosiga tumaoti i Saina
ISO9001 tusipasi
DNV fau vaa u'amea fa'amaonia paipa
Iapani JIS alamanuia tulaga tusi faamaonia JIS g3466 stkr400, JIS stkr490
ABS fau vaa uamea tusi faamaonia paipa
Atina'e tulaga BC1
CNAS
Iapani JIS alamanuia tulaga tusi faamaonia JIS g3466 stkr400, JIS stkr490
National Square Rectangular Steel Pipe Manufacturing Single Champion Certificate
Tusipasi Fa'ailoga Faiga Fa'atonu
tusipasi faiga pulega lelei
Tusipasi Fa'ailoga Faiga Fa'atonu
Fa'ailoga o Mea Meamata
