Kamupani
O a matou oloa fa'atau vevela o paipa u'amea ua fa'apipi'i sa'o, paipa u'amea, paipa sikuea ma faatafafā, ma paipa sikuea ma faatafafā u'amea ia e sapalaiina e le Tianjin Youfa Steel Pipe Group Co., Ltd. Ua fa'amaonia lenei kamupani i lalo o le ISO 9001, ISO 14001, ISO 45001, ma le ISO 50001 faiga fa'atonutonu.
Youfa Gourp-ISO9001
Youfa Gourp-ISO14001
Youfa Gourp-ISO50001
Youfa Gourp-ISO9001
Youfa Gourp-ISO45001
Youfa Gourp-ISO50001
Youfa Gourp-ISO14001
Youfa Gourp-ISO45001
Youfa Gourp-ISO50001
Oloa
Tusi Faamaonia Api 5l mo Paipa U'amea Fa'asolo
Tusi Faamaonia Fm Mo le Fa'apipi'iina o Paipa
Tusi Faamaonia Ul Mo Paipa Fa'asusu Afi
Tusi Faamaonia API 5CT
Tusi Faamaonia Fm Mo le Grooved Paipa Fitting
Ce En10219 Mo Paipa U'amea Fa'atafafa
Tusi Faamaonia API 5L Mo Paipa Laina
Tusi Faamaonia EPD mo Paipa U'amea Fa'apipi'i
Ce En10219 Mo Paipa U'amea Lapotopoto
Tusi Faamaonia ABS
TUSI FA'AMAONIA A LE FPC
TUSI FA'AMAONIA BV
Fale Su'esu'e
Tusi Faamaonia CNAS mo le Tangshan Lab
Tusi Faamaonia CNAS mo Tianjin