必和必拓 is the official Chinese name of BHP, formed in 2001 by the merger of Australia's BHP (Broken Hill Proprietary) with Britain's Billiton — hence the
必和必拓 = 'BH and Billiton'. The translation cleverly mixes phonetics with auspicious meaning:
必 'certainly',
和 'harmony',
拓 'to expand'.