Daraja na Kamfanin & Takaddun shaida
ZSJH STEEL yana ɗaya daga cikin mashahuran masu siyar da sito na duniya na samfuran ƙarfe don gini, ababen more rayuwa da masana'antu. An amince da ƙaddamar da ƙaddamarwarmu ga ƙwarewa, aminci da dorewa a duk duniya.
TS EN ISO 19001 - Tsarin Gudanar da Ingancin
TS EN ISO 24001 Tsarin Gudanar da Muhalli
TS EN ISO 45001 - Lafiya da Tsaro na Ma'aikata
Takaddar Tsarin Gudanar da Mutunci
Takaddun shaida na SGS
Kasuwancin Kera Ƙarfe na China - Takaddun shaida na digiri na biyu
CE 1090-EN 1090 shine ƙa'idar Turai don ƙirar ƙarfe da ƙirar aluminium.
3834-EN ISO 3834 Tsarin Tsarin Gudanar da Ingancin Welding
Amintaccen mai samar da kayayyaki na kasar Sin
Takaddar Kiredit na Kamfanin
Kasuwancin Gudanar da Mutunci
Takaddar Kiredit na Kamfanin
Takaddun shaidar cancantar Kasuwancin Gina
China Karfe Construction Society
Takaddar Manajan Mutunci ta China
