The employees had been trying to gain entry in protest at the lack of any formal notice of closure
Apple Inc is preparing for the largest initial production run for its next iPhones by the end of the year.
Quanta also manufactures laptops for Hewlett-Packard and is the main assembler for the smartwatch released recently by Apple.
Apple Inc has asked suppliers to manufacture between 70 million and 80 million of its two forthcoming large-screen iPhones by the end of the year, its largest initial production run of iPhones, the Wall Street Journal reported, citing people familiar with the matter.
Lenovo Group Ltd said on Tuesday it was establishing a smartphone assembly unit in India.
The move is a show of faith from three of the world's biggest technology companies in fast-growing Snapdeal
Foxconn has said it is aiming to develop 10-12 facilities in India, including factories and data centres, by 2020