Shirkad
Badeecadaha iibka kulul waa tuubooyinka birta ah ee tolmada toosan leh, tuubooyinka galvanized, tuubooyinka laba jibbaaran iyo kuwa leydiga ah, iyo tuubooyinka laba jibbaaran iyo kuwa leydiga ah ee galvanized kuwaas oo ay bixiso Tianjin Youfa Steel Pipe Group Co., Ltd. Shirkaddan waxaa shahaado siisay nidaamyada maaraynta ISO 9001, ISO 14001, ISO 45001, iyo ISO 50001.
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
Badeecada
Shahaadada Api 5l ee Tuubada Birta ee Wareega ah
Shahaadooyinka Fm ee ku habboon Tuubooyinka
Shahaadooyinka Ul ee Tuubada Dabka
Shahaadada API 5CT
Shahaadooyinka Fm ee ku habboon tuubooyinka jeexan
Ce En10219 Wixii Tuubo Bir ah oo Labajibbaaran
Shahaadada API 5L ee Tuubada Khadka
Shahaadooyinka EPD ee Tuubooyinka Birta La Xidhay
Ce En10219 Wixii Tuubo Bir ah oo Wareegsan
Shahaadada ABS
SHAHAADADA FPC
SHAHAADADA BV
Shaybaar
Shahaadada CNAS ee Shaybaarka Tangshan
Shahaadada CNAS ee Tianjin