Ɗaya daga cikin manyan samfuran karfe goma na
Manyan kamfanoni 100 a Tianjin
Mafi girman takaddun shaida na samfurin 5A
Shahararrun samfuran Tianjin
Sanyi kafa reshe na Sin Karfe Structure Association
Kyautar bakan zinare na bikin alamar alama ta China
Manyan masana'antun masana'antu 500 a kasar Sin
Tianjin Daqiuzhuang Chamber of Commerce
Kiyasin kiredit na ƙungiyar kayan aikin ƙarfe na China shine mafi girman lambar yabo ta AAA
Kasar Sin ta kasance wani lokaci na gudanar da harkokin raya masana'antu da hadin gwiwar kirkire-kirkire
Musamman cancantar sanyi lankwasawa karfe samar da karfe tsarin masana'antu a kasar Sin
Ƙungiyar masana'antu da kasuwanci ta gundumar Tianjin Jinghai (zamba na Kasuwanci)
Manyan kamfanoni goma masu biyan haraji a Tianjin
Ƙungiyar Ƙarfe ta China
API Spec.5L Takaddun shaida
Takaddun shaida na Bv na Ofishin jigilar kayayyaki na Faransa
Tsarin EN 10210 na Turai
Tsarin EN 10219 na Turai
Shahararrun samfuran Tianjin
Tauraron mai fasaha na ƙarni" a cikin masana'antar gine-ginen kasar Sin
GB/T24001-2016/ISO 14001:2015 Standard
GB/T45001-2020/ISO 45001:2018 Standard
Manyan masana'antun masana'antu masu zaman kansu 500 a kasar Sin
ISO9001 takardar shaida
DNV shipbuilding karfe bututu takardar shaida
Jafananci JIS ma'aunin takaddun shaida JIS g3466 stkr400, JIS stkr490
ABS shipbuilding karfe bututu takardar shaidar
Matsayin kasuwancin BC1
CNAS
Jafananci JIS ma'aunin takaddun shaida JIS g3466 stkr400, JIS stkr490
