BHP chief executive Andrew Mackenzie says the company will look to supply chain improvements as it seeks to maintain an edge in a competitive market.

The ‘big Australian’ recently announced its half yearly results, with US$21.6bn in revenue and US$3.76bn in after tax profit.

BHP has a diverse range of interests but is best known for its exports of iron ore to China from the Pilbara region in Western Australia.

The company expects to produce as much as 250m tonnes of iron ore during the 2019 financial year.

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Mr Mackenzie indicated they had plans to do better.

“We will continue to drive productivity improvements as we unlock value through technology with the ongoing automation of our supply chain,” he said.

“[We will] reduce our reliance on labour hire through the continued roll out in Australia of our operations services initiative to leverage best practice in production and maintenance, and continue to set records for underground development, equipment utilisation, milling and production across our operations.”