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Reason given in GLEIF: no known controlling person.","chain":[{"group":"surowce","label":"Raw materials","sites":0,"stages":[]},{"group":"metal","label":"Smelting and refining","sites":2,"stages":[{"stage":"stalownia","label":"melt shop – engineering special steels (alloy, bearing, spring)","sites":2}]},{"group":"przetworstwo","label":"Processing","sites":5,"stages":[{"stage":"stal_specjalna","label":"engineering special steels (alloy, bearing, spring)","sites":2},{"stage":"stal_dlugie_ss","label":"stainless steel long products","sites":2},{"stage":"kuznia","label":"alloy steel forgings","sites":1}]},{"group":"wyroby","label":"Products","sites":0,"stages":[]},{"group":"recykling","label":"Recycling","sites":0,"stages":[]},{"group":"zastosowania","label":"End uses","sites":0,"stages":[]}],"sites_by_country":[{"iso":"DE","name":"Germany","sites":5},{"iso":"CH","name":"Switzerland","sites":1},{"iso":"FR","name":"France","sites":1}],"capacity_by_stage":[],"capacity_note":"full – shares in plants in the next stage","analyses":[],"similar":[{"slug":"gmh-gruppe","name":"GMH Gruppe","url":"https://www.ai-waw.com/en/companies/groups/gmh-gruppe","score":0.867,"sites":6,"companies":6,"common":{"metals":["ss","as"],"chain":["metal","przetworstwo"],"countries":["DE"]}},{"slug":"nippon-steel-corporation","name":"Nippon Steel Corporation","url":"https://www.ai-waw.com/en/companies/groups/nippon-steel-corporation","score":0.8,"sites":6,"companies":4,"common":{"metals":["ss","as"],"chain":["metal","przetworstwo"],"countries":[]}},{"slug":"rodacciai","name":"Rodacciai","url":"https://www.ai-waw.com/en/companies/groups/rodacciai","score":0.8,"sites":3,"companies":2,"common":{"metals":["ss","as"],"chain":["metal","przetworstwo"],"countries":[]}},{"slug":"bgh-edelstahlwerke-gmbh","name":"BGH Edelstahlwerke GmbH","url":"https://www.ai-waw.com/en/companies/groups/bgh-edelstahlwerke-gmbh","score":0.717,"sites":3,"companies":3,"common":{"metals":["ss","as"],"chain":["metal"],"countries":["DE"]}}],"similar_note":"Similarity: common metals (weight 0.5), chain links (0.3) and plant countries (0.2) – Jaccard index; only groups with at least one common metal.","quality":{"classes":{"A":2,"B":5,"C":0},"status":{"czynna":7},"verified":7,"unverified":0,"verified_from":"2026-10-18","verified_to":"2026-10-18","companies_lei":5,"relations_gleif":4,"relations_register":1,"basis":"gleif","group_class":"A","group_verified":"2026-10-19","exception":"NO_KNOWN_PERSON"}}}