HANOI - US-BASED chip maker Intel on Friday opened in Vietnam US$1 billion (S$1.3 billion) assembly and test facility billed as the company's biggest.

Intel president and chief executive officer Paul Otellini and Vietnamese Deputy Prime Minister Hoang Trung Hai officially opened the plant, the size of five-and-a-half football fields, at an industrial park in southern Ho Chi Minh City, the company said.

'The Vietnam assembly and test facility will play a key role in our success by becoming a cornerstone of Intel's ability to deliver new innovative products to markets around the world in volume,' Mr Otellini said.

'Our customers around the world will use the products from this factory to build world-changing technology.'

Intel also said its investment 'opens up extensive opportunities for economic development in Vietnam.'

Intel opens its biggest plant