丨Mamalu Faailoga

110


O se tasi o a'u ituaiga u'amea e sefulu pito i luga

103


Top 100 pisinisi i Tianjin

104


Le tusipasi maualuga o oloa 5A

106


Tianjin oloa lauiloa lauiloa

114

Malili fausia vaega lala o Saina Steel Structure Association

109

Fa'ailoga o alaleo auro o Saina fa'ailoga Festival

101

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116

Tianjin Daqiuzhuang potu o Pisinisi

112

Fa'ailoga fa'aaitalafu a Saina fa'asoa fa'ameamea fa'ameamea o le fa'ailoga pito i luga ole AAA fa'ailoga ulufale

113

Saina taimi Pulea Atina'e Atina'e ma Galulue Fa'afouina Alliance

108

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118

Tianjin Jinghai Itumalo Fa'alapotopotoga o Alamanuia ma Pisinisi (suafa o Pisinisi)

111


E sefulu pisinisi totogi lafoga sili i Tianjin

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China Steel Structure Association

API-Spec.-5L-Certification


API Spec.5L Tusi Faamaonia

BV

Bv tusipasi a Farani Ofisa o felauaiga

EN10210


Europa EN 10210 Standard

EN10219


Europa EN 10219 Tulaga

105


Tianjin oloa lauiloa lauiloa

107

Century old craftman star" i le fale faufale a Saina

14001-english_20220318135321

GB/T24001-2016/ISO 14001:2015 Standard

GB-T45001

GB/T45001-2020/ISO 45001:2018 tulaga masani

102

Top 500 pisinisi gaosiga tumaoti i Saina

122


ISO9001 tusipasi

DNV模糊证书-1


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JIS

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cer


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QQ fa'asinomaga 20230705114833

National Square Rectangular Steel Pipe Manufacturing Single Champion Certificate