Taiwan's Foxconn Technology, a contract maker of the iPhone and other consumer electronics, insisted its treatment of workers is world class after a female employee became the company's sixth Chinese worker to commit suicide this year.

"We regret to see the recurrence of such incidents," Foxconn said in statement that came on Wednesday, a day after a 24-year-old Foxconn factory worker surnamed Chu killed herself by jumping from her rented apartment in the southern Chinese city of Shenzhen.

Foxconn, the world's largest contract maker of electronics, said that Chu, whose full name was not released, began her employment last August.

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Foxconn's mounting toll