‘Green’ steel start-up raises funds at $60m valuation, first customer could yield $1b revenue NZ HeraldNZ startup with $20 million cash pile to build ‘green’ steel-making plant at Glenbrook thepost.co.nzCullBeck raises $20m in record first funding round for hydrogen steelmaking tech BusinessDesk | NZGreen iron: NZ deep tech startup CullBeck raises record $20m National Business Review