Ɗaya daga cikin manyan samfuran ƙarfe goma da na fi so
Manyan kamfanoni 100 a Tianjin
Mafi girman takardar shaida na samfurin 5A
Shahararrun samfuran Tianjin
Sashen da aka kafa na Cold formed reshe na Ƙungiyar Tsarin Karfe ta China
Kyautar Golden bakan bikin alamar China
Manyan kamfanonin kera kayayyaki 500 a China
Tianjin Daqiuzhuang Chamber of Commerce
Ƙungiyar rarraba kayan ƙarfe ta China ita ce mafi girman darajar bashi ta AAA.
Gwamnatin China Ta Jagoranci Kawancen Kirkire-kirkire na Ci Gaban Masana'antu da Haɗin Gwiwa
Cancantar musamman don samar da ƙarfe mai lanƙwasa sanyi na kera tsarin ƙarfe a China
Ƙungiyar Masana'antu da Kasuwanci ta Gundumar Tianjin Jinghai (ɗakin Kasuwanci)
Manyan kamfanoni 10 da ke biyan haraji a Tianjin
Ƙungiyar Tsarin Karfe ta China
Takaddun Shaidar API Spec.5L
Takardar shaidar BV ta Ofishin jigilar kaya na Faransa
Tsarin Turai na EN 10210
Tsarin Turai na EN 10219
Shahararrun samfuran Tianjin
Tauraron mai fasaha na ƙarni a masana'antar gini ta China "
GB/T24001-2016/ISO 14001:2015 Ma'auni
GB/T45001-2020/ISO 45001:2018 Ma'auni
Manyan kamfanonin kera kayayyaki masu zaman kansu 500 a kasar Sin
Takardar shaidar ISO9001
Takaddun shaida na bututun ƙarfe na DNV
Takaddun shaida na masana'antar JIS ta Japan JIS g3466 stkr400, JIS stkr490
Takardar shaidar bututun ƙarfe na ABS
Matsayin kasuwanci BC1
CNAS
Takaddun shaida na masana'antar JIS ta Japan JIS g3466 stkr400, JIS stkr490
Takardar Shaidar Zakaran Fitar da Bututun Karfe Mai kusurwa huɗu ta Ƙasa
Takardar Shaidar Takaddun Shaida na Tsarin Gudanar da Muhalli
takardar shaidar tsarin gudanar da inganci
Takardar Shaidar Takaddun Shaida na Tsarin Gudanar da Muhalli
Takaddun Shaidar Samfurin Kore
